How does this look? (Its for a science project about animal life
Answer:
why is there a cherry on its head?
Explanation:
You may want to add details/description to the photo as it is a little confusing
Complete the sentences to identify the difference between a nonmetal atom and its anion.
In an anion, there are more *blank* than *blank*, giving the anion a *blank* charge.
In nonmetal atoms, the number of *blank* and *blank* are the same and there is a *blank* charge.
key bank:
- a positive
- no net
- electrons
- protons
- a negative
- neutrons
Answer:
more protons than neutrons and the number of electrons and blank are blank
Explanation:
The complete sentences that distinguish the difference between a nonmetal atom and its anion are as follows:
In an anion, there are more electrons than protons, giving the anion a negative charge. In nonmetal atoms, the number of protons and neutrons are the same and there is a negative charge. What are Non-metals?Non-metals may be defined as the type of chemical element that lacks the characteristics of a metal. They do not show any metallic attributes. But in the periodic table, they range from colorless gases to shiny and high melting point solids.
In the whole periodic table, elements are classified into three parts. They are metals, non-metals, and metalloids. Each classification has its own attributes and characteristic properties.
The non-metals significantly gain electrons due to their stronger nuclear charge and become negatively charged anions.
Therefore, the complete sentences that distinguish the difference between a nonmetal atom and its anion are appropriately described.
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Oxygen has 8 positively-charged protons. What is the number of negatively-charged electrons in an atom of Oxygen?
Answer:
Answer 9: Oxygen is atomic number 8 on the periodic table, which means it has 8 protons!
Explanation:
Oxygen's 8 electrons are negatively charged, and they orbit the atomic nucleus and balance the positive charge of the 8 protons. The positive charge of 1 proton exactly cancels the negative charge of 1 electron.
identify the most widely accepted theory of solar system formation and summarize the process.
PLZ HELP! :) thank you
Answer:
biotic
Explanation:
because all of them are living
A spring-fed stream forms a pond that contains watercress plants, minnows, and crayfish. The pond receives 5 hours of direct sunlight every day. Which of the following is an abiotic factor in this ecosystem?
the pond water
the watercress plants
the minnows
the crayfish
Answer:
the minnows
Explanation:
The minnows is an abiotic factor in the ecosystem Hence option 3 is correct.
What is ecosystem?Ecosystem is defined as a structural and functional area of ecology where living things engage in interactions with one another and their surroundings. Ecosystem function refers to a system's capacity to directly or indirectly satisfy human wants for goods and services. Ecosystem functions are thought of as a subset of ecological processes and ecosystem structures.
The non-living elements of an ecosystem known as abiotic variables have an impact on their surroundings. Examples include temperature, light, and water in a terrestrial setting. Ocean currents and salinity are examples of abiotic components in a marine ecosystem.
Thus, the minnows is an abiotic factor in the ecosystem Hence option 3 is correct.
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What does the pudding represent in the plum pudding model of the atom?
Answer:
the answer is According to this model, the atom is a sphere of positive charge, and negatively charged electrons are embedded in it to balance the total positive charge. The electrons are like plums in a pudding.
Explanation:
The pudding represents the positive charge in the plum pudding model of the atom, while the plums represent the negative charge.
What is the plum pudding model?Thomson's atomic model was proposed by J.J. Thomson in 1900. This model described the inner structure of the atom, also known as the plum pudding model.
During the cathode ray tube experiment, J.J. Thomson discovered a negatively charged particle. In the year 1897, he explained that a cathode ray tube is a vacuum tube and the negative particle was called an electron.
Thomson assumed that an atom is made up of thousands of electrons and an electron is two thousand times lighter than a proton. He considered atoms surrounded by a cloud to have positive and negative charges. Thomson’s model of an atom is quite similar to a plum pudding.
According to Thomson’s atomic model, an atom contains a positively charged sphere with electrons embedded in it. The negative and positive charges are equal in magnitude so the whole atom is electrically neutral.
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Please answer the following question I give you.
1. What do waves begin with? (this is science)
2. What do waves transfer?
3.What do waves not transfer?
Answer:
1.Waves are caused by wind
2. energy
3. matter
Answer: Wave is a common term for a number of different ways in which energy is transferred; so in electromagnetic waves, so the energy is transferred through vibrations of electric and magnetic field. Does that answer your question.
Explanation:
That is my answer
help please
Determine whether each action will increase or reduce soil erosion.
cattle grazing
contour plowing
deforestation
hydroseeding
planting vegetation sort into either increse soil erosion or reduce soil erosion
Answer:
Cattle grazing will increase soil erosion as it is removing the soil's vegetation and therefore exposing it more to the wind and rain.
Contour ploughing will help reduce soil erosion. By revolving the soil, and also planting after, but simply contouring can be enough, the capacity to withhold water, breaking its run-off will help contain the soil where it is rather than being pushed and taken away by water.
Deforestation will increase soil erosion by exposing the soil to water run-off and wind.
Hydroseeding can reduce soil erosion more than the sowing of dry seed, for example.
Planting vegetation reduces soil erosion as it creates protection to the soil from the weather and keeps it healthy for soil revolving animals that also contribute to reducing soil.
Which situation shows kinetic energy being transformed into potential energy?
Group of answer choices
A ladder leaning against a house
A car moving at a steady speed
A sprinter moving from the starting line
A roller coaster car going uphill
Answer:
A roller coaster car going uphill
Explanation:
The roller coaster going up the hill has kenitic energy but when it comes to a small stop at the top of the hill it had been transormed into poteinal energy.
How do organisms that can’t make their own glucose through photosynthesis, get glucose?
Answer:
All explained on the site! Just cope and paste!
Explanation:
https://ssec.si.edu/stemvisions-blog/what-photosynthesis
Hope this helped!
How do I solve this? Need an explanation and how to next questions are the same.
Answer:
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Explanation:
Help asapppppppppp plsssssssssssss
density of a piece of ebony wood is 1.174 g/ml. what is the volume in quarts of a 2.1549 lb piece of this ebony wood?
Answer:
6615.4 cm3
Explanation:
Density = mass/volume
We know the density is 1.30 g/cm3.
We know the mass is 8.60 kg.
So, we can easily calculate the volume, but first we need to get our units to be the same and consistent.
Let us change the mass from kg to g. 8.60 kg x 1000 g/kg = 8600 g
From density = mass/volume we can solve for volume...
volume = mass/density = 8600g/1.30 g/cm3
volume = 6615.4 cm3 = 6620 cm3 (3 significant figures)
The volume of the given ebony wood is 0.8798 quartz.
Explanation:
The density of the substance is defined as a mass of substance present in the unit volume of the substance. Mathematically written as:[tex]Density =\frac{Mass}{Volume}[/tex]
Given:
The density of ebony wood =1.174 g/mL
The mass of the ebony wood = 2.1549 lbs
To find:
The volume of given ebony wood in quarts.
Solution:
The mass of the ebony wood = m = 2.1549 lbs
[tex]1 lbs = 453.592 g\\\\= 2.1549 lbs= 2.1549\times 453.592 g=977.44 g[/tex]
The volume of the ebony wood = v
The density of ebony wood = d =1.174 g/mL
[tex]1.174 g/mL=\frac{977.44 g}{v}\\\\v=\frac{977.44 g}{1.174 g/mL}=832.6 mL\\\\1 quarts= 946.353 mL\\\\v=832.6 mL=\frac{832.6}{946.353} quarts\\\\=0.8798 quarts[/tex]
The volume of the given ebony wood is 0.8798 quartz.
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________ are __________ for inherited traits.
PLSS ANSWER ASAP I BEG
Answer:
looks and cancer
Explanation:
you look like your parents and desises can be inhereted
Which element will have properties most similar to those of potassium?
Potassium is a very reactive metal and does not occur free in nature. A diagram of a potassium atom is shown.
Select one:
sodium
phosphorous
chlorine
argon
which energy source is a free resource that produces no greenhouse gases?
solar
wind
water
biomass
or geothermal?
Is acetaminophen an ionic or molecular compound? Explain your answer in complete sentences.
Answer:
Acetaminophen is a molecular compound and not an ionic compound.
Explanation:
The formula of this compound is C₈H₉NO₂. Ionic compounds are formed between metals and nonmetals. In molecular compound the bond type is covalent.
Please help me asap!!!
Answer:
6. Iron sulfide
7. iron and sulfur
Explanation:
what s thisssss oneeeeeee
What determines how much a substance will change temperature?
Answer:
it depends on the mass of the situation
Explanation:
the air pressure from the atmosphere measures 0.5atm at an altitude of 18,000 ft. How much pressure is this in pounds per square inch?
Answer:
7.5 pounds per square-inch
At sea level, one square-inch of any surface has about 15 pounds of air sitting on top of it. At 18,000 feet, that same square inch has only 7.5 pounds per square-inch (psi) exerted on it.
The air pressure from the atmosphere measures 0.5atm at an altitude of 18,000 ft. than the pressure will be 7.5 pounds per square-inch.
What is the calculation at sea level?At sea level, one square-inch of any surface has about 15 pounds of air sitting on top of it. At 18,000 feet, that same square inch has only 7.5 pounds per square-inch (psi) exerted on it.
As the altitude increases, the atmospheric pressure increases. It's actually the opposite: from the graph, we see that as the altitude increases (going towards right on the graph), the pressure decreases.
The atmospheric pressure is 14 pounds per square inch at sea level.If we take altitude=0, we see that the value of the pressure is 14 pounds per square inch. As the altitude approaches sea level, the atmospheric pressure increases.
As the altitude approaches sea level we see that the value of the pressure increases. The atmospheric pressure gets close to 14 pounds per square foot as the altitude continues to increase.The pressure is 14 pounds per square inch only when the altitude is 0 miles above sea level.
Therefore, The air pressure from the atmosphere measures 0.5atm at an altitude of 18,000 ft. than the pressure will be 7.5 pounds per square-inch.
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How is the behavior of food coloring in the cool and heated water different? What caused the differences in their behavior?
Please don't just give the sample response.
Answer:
The food coloring mixes much faster in the hot water than it mixes with the cold water. This is because in the hot water, water molecules have more energy and are moving faster than the molecules of cold water.
Match the term with its description.
answer choices
Aerobic respiration
Alcoholic fermentation
Anaerobic respiration
Lactic acid fermentation
The production of energy without the presence of oxygen
A process that converts sugars into cellular energy, ethanol, and carbon dioxide
A process that converts sugars into cellular energy, ethanol, and carbon dioxide
The breakdown of food to create energy in the presence of oxygen
Answer:
Aerobic respiration is metabolic process in which food ( glucose) is metabolized ( in presence of oxygen) to derive large amount of energy ( in the form of ATP) through a series of three stages that is glycolysis, kreb cycle, and electron transport chain.
Anaerobic respiration another from of cellular respiration where food is broken down to derive energy in the absence of oxygen.
Alcoholic fermentation is a metabolic process by which sugar is converted into cellular energy ( in the form of ATP), ethanol, and carbon dioxide.
Lactic acid fermentation is a metabolic process by which glucose is converted into cellular energy and lactic acid.
Thus, the correct match is-
Aerobic respiration- A) The breakdown of food to create energy in the presence of oxygen.
Alcoholic fermentation- C) A process that converts sugars into cellular energy, ethanol, and carbon dioxide.
Anaerobic respiration- B) The production of energy without the presence of oxygen.
Lactic acid fermentation- D) A process that converts glucose into cellular energy and lactic acid.
Explanation:
Answer:
Aerobic respiration – The breakdown of food to create energy in the presence of oxygen
Alcoholic fermentation – A process that converts sugars into cellular energy, ethanol, and carbon dioxide
Anaerobic respiration – The production of energy without the presence of oxygen
Lactic acid fermentation – A process that converts glucose into cellular energy and lactic acid
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Chiara knows that weight is affected by gravitational pull. She is putting together a poster to display in her classroom.
Since the moon's gravity is less than Earth's, all objects, including mammals, have different weights on the moon than on Earth. Use the table below to calculate how much a dog weighs on the moon.
Answer: A
Explanation: 150 lb * 1/6 = 25 lb
Chiara knows that weight is affected by gravitational pull. The weight of the dog on the moon is 25 lb. The correct option is A.
What is gravitational pull?Gravitational pull is the force of gravitation that pulls all the objects towards themselves. The force of gravitation is different on different planets, and on the moon, the gravitational pull of the moon is lesser than the earth.
The weight of the dog on the earth is 150 lb
The weight of any object on the moon is 1/6th of the weight of any object on the earth.
So to calculate the weight of the object on the moon, we should multiply the given weight of the dog on the moon by 1/6 to get the result.
150 lb x 1/6 = 25 lb
Thus, the weight of the dog on the moon is 25 lb. The correct option is A.
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• __________ genotype are two __________ (AA) or two __________ (aa) alleles.
• _________ are a pair of ________ alleles (Aa).
PLEASE ASWEER ASAP I BEG YOUU POLSSSDSD U WILL GET BRAINLIEST
i can't figure this out, can someone help me?
Answer:
No
Explanation: I don’t know what to do
Scientists believe that the modern horse developed from a short, horse-like mammal about the size of a dog. Over millions of years, the horse increased in size and developed much longer legs. Horses with longer legs had a better chance of surviving than the shorter-legged members of the herd. How did longer legs help horses survive?
A. They allowed the horses to reach nuts in trees.
B. They allowed the horses to outrun predators.
C. They allowed the horses to carry more body weight.
D. They allowed the horses to capture prey.
Answer:
B
Explanation:
Horses with longer legs could out run predators and survive. Not getting eaten or injured helps with staying alive long enough to reproduce.
Object A has a mass of 600 kg. Object B has a mass of 200 kg. They are both pushed with 10 Newtons of
force. Which of the following STATEMENTS is true?
A. Object A will accelerate more slowly than object B.
B. Object A has less mass than object B.
C. Both objects will accelerate at the same speed.
D. Object A will accelerate more quickly than object B.
Answer: D
Explanation:
A has more kg/mass than B
how is making an apple pie different from making lead iodide
Making an apple pie is different from making lead iodide as lead iodide is a chemical compound and requires chemical process which is poisonous to eat while an apple pie is an eatable which is safe to eat.
What is a compound?Compound is defined as a chemical substance made up of identical molecules containing atoms from more than one type of chemical element.
Molecule consisting atoms of only one element is not called compound.It is transformed into new substances during chemical reactions. There are four major types of compounds depending on chemical bonding present in them.They are:
1)Molecular compounds where in atoms are joined by covalent bonds.
2) ionic compounds where atoms are joined by ionic bond.
3)Inter-metallic compounds where atoms are held by metallic bonds
4) co-ordination complexes where atoms are held by co-ordinate bonds.
They have a unique chemical structure held together by chemical bonds Compounds have different properties as those of elements because when a compound is formed the properties of the substance are totally altered.
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