Answer:
the Force of gravity
Explanation:
im not fully sure but i personally think it would make sense
A
For example, your mass is the same on different planets but your weight would be different because there may be more or less gravitational pull
I hope this helped :)
Name 5 elements that make up the molecules in
living things.
Explanation:
Five elements—carbon, hydrogen, oxygen, nitrogen and sulfur—form the amino acids of proteins, and if we exchange phosphorus for sulfur five elements also compose nucleic acids like DNA.
a woman is a healthy carrier of the cystic fibrosis gene (a recessive trait) and her husband is an unaffected male. what is the probability of an unaffected child from this pairing
The probability of having an unaffected child from the pairing = 0.5
Assumption
Let ; X = Dominant trait
y = recessive trait
The woman been a healthy carrier will have an allele combination of ; Xy
while the unaffected male will have = XX
Their offsprings will have the following allele combinations
X X
X XX XX
y Xy Xy
Number of allele combinations = 4
Number of carrier = 2
Number of unaffected = 2
∴ probability of having an unaffected child = 2/4 = 0.5
Hence we can conclude that The probability of having an unaffected child from the pairing = 0.5
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Jackrabbit
lives in very
hot desert.
Ears cool it off
How do they use their large ears?
Answer:
Explanation:
His massive ears are filled with blood vessels, and because they are so close to the skin, heat dissipates from them. As his blood circulates inside the ears, it cools before circulating back to the body.
Mammals use trees for both food and shelter.
Please select the best answer from the choices provided
T
F
Answer:
True
Explanation:
3.
Which of the following is not part of the cell
a. Integral Protein
b. Phospholipid
C.
Nucleic Acid
d. Carbohydrate
Answer:
Phospholipid
Explanation:
what structure marks the superior end of the spinal cord?
Answer: Lumbar and sacral nerves travel nearly vertically down the spinal canal to reach their exiting foramen. The spinal cord ends at the intervertebral disc between the first and second lumbar vertebrae as a tapered structure called the conus medullaris, consisting of sacral spinal cord segments.
Explanation:
Someone plz help me :(
A. Warm air rises
Explanation:
Warm air is less dense than cold air so it rises
A. Warm air rises
Hot air is less dense than cold air, which is why cold air sinks because it absorbs less energy than warm air.
Hope it helped:)
Where did the Chicxulub asteroid land?
Answer: where did the asteroid that killed the dinosaurs land The Chicxulub crater (/ ˈ tʃ iː k ʃ ʊ l uː b /; Mayan: [tʃʼikʃuluɓ]) is an impact crater buried underneath the Yucatán Peninsula in Mexico. Its center is located offshore near the town of Chicxulub, after which the crater is named.
Explanation:
a countercurrent heat exchanger enables an animal to
Some animals have adaptions to their circulatory system that enable them to transfer heat from arteries to veins, warming blood returning to the heart. This is called a countercurrent heat exchange; it prevents cold venous blood from cooling the heart and other internal organs.
a ____ is destruction of the brain tissue caused by lack of blood flow to the brain.
Answer:
A stroke
Explanation:
The processes we observe today such as weathering, erosion, and
deposition, probably acted in the same way millions of years ago,
producing sedimentary rock. *
O True
O False
True
Explanation:
Which pathogen is most likely responsible for causing hoof-and-mouth disease in livestock?
Answer:
Coxsackievirus A16
scientist has been tracking and studying a population of deer in Yellowstone National Park. He surveys the
population every six months. Usually, the population is thriving and has a gene pool with a wide variety of traits. But
during one six-month period, an event occurred that affected the population, and when the scientist returned, the
amount of genetic variation had decreased significantly. Which of the following is most likely the event that occurred
to change the population?
O Yellowstone National Park expanded its borders.
A population
of wolves was introduced into Yellowstone National Park.
• The amount of disease in the deer population decreased.
• More grass and shrubs were planted in Yellowstone National Park.
Answer:
A population of wolves was introduced into Yellowstone National Park.
Explanation:
Got it right on edge
explain why a bone is referred to as a living tissue?
Bones are living tissue which have their own blood vessels and are made of various cells, proteins, minerals and vitamins. This structure enables them to grow, transform and repair themselves throughout life.During childhood and adolescence, cartilage grows and is slowly replaced by hard bone.That is why children bones are a little harder to break but adult bone a little easier to break because there bone gets harder when they grow :)
Hope this helps :)
which option is one way that the circulatory system helps maintain body temperature?
Answer:
Vasoconstriction and Vasodilation
Explanation:
Multiple Choice Question Genes, which contain trait specifying information, are located on ______. Multiple choice question. ribosomes nucleotides chromosomes proteins
Chromosomes is a gene that contain trait specifying information
Genes are made up of DNA and its is the basic unit of hereditary. It contains the traits which are passed down from parents to offspring's.
Genes are arranged in structures called chromosomes. A chromosome corresponds to a single gene and it contains the trait specifying information.
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Which of the following steps in wastewater treatment is an example of biotechnology?
I. Microorganisms are added to feed on solids in wastewater
II. Bar screening is used to separate solid wastes from liquid wastes
III. Primary clarifiers separate solids and liquid wastewater
I only
I and III
III only
I, II, and III
#carry on learning
Answer:
A. I only
Explanation:
Microorganisms living in groundwater are constantly consuming dangerous chemicals and lots of organic materials. This process is called bioremediation, which is known to break down pollutants that could be useful in the treatment of wastewater.
The graph below shows the approximate average annual ocean heat content from 1993 to 2020. It was created using data from NOAA. Line 1 represents ocean levels from the surface to 2,300 feet below ocean surface. Line 2 represents ocean levels from 2,300 feet to 6,560 feet below ocean surface. Line 3 represents ocean levels below 6,560 feet under the ocean surface. Graph shows the average annual ocean heat compared to the 1993 average represented as the 0 baseline from 1993 to 2020. Vertical axis shows ocean heat content measured in 10 to the 21 power joules. It starts at negative 60 and goes up to 180 in increments of 20. The horizontal axis shows years from 1995 to 2020 in multiples of 5 years. From 1995 to 2020, Line 1 starts at 20 and has an average growth of 7 vertical units per year. From 1995 to 2020, Line 2 starts at negative 20 and has an average growth of 4 vertical units per year. From 1995 to 2012, Line 3 starts at 0 and has an average growth of 1.3 vertical units per year. Data Source: © 2021 NOAA Which statement describes the approximate average trend of ocean heat content between 2,300 and 6,560 feet under the ocean during this time period? An increase of about 130 x 1021 joules An increase of about 80 x 1021 joules A decrease of about 20 x 1021 joules A decrease of about 80 x 1021 joules
The heat content change between 1993 and 2020 is lowest in the ocean levels below 6,560 feet.
The statement that describes the approximate average trend of ocean heat content between 2,300 and 6,560 feet is; An increase of about 80 × 10²¹ joulesReasons:
The graph that represent the heat content levels of the ocean at 2,300 feet to 6,560 feet is line 2
From the graph, we have;
The ocean heat content in 1993 = -20 × 10²¹ joules
The ocean heat content in 2020 = 60 × 10²¹ joules
The increase in heat content between 1993 and 2020 is therefore;
ΔH = 60 × 10²¹ - (-20) × 10²¹ = (60 - (-20)) × 10²¹ = (60 + 20) × 10²¹ = 80 × 10²¹
The increase in heat content between 1993 and 2020 = 80 × 10²¹ joules
The correct option is; An increase of about 80 × 10²¹ joules.
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what are the two processes that lead to genetic variation during meiosis
The recombination and independent assortment.
Full form of DNA is____________
Answer:
Deoxyribonucleic acidExplanation:
#In biology
Proteins are polymers constructed from ________ monomers. nucleotide monosaccharide amino acid fatty acid
DMD is a disease that is carried form one gene to another who is the carrier of the genetic disease
Answer:
DMD is inherited as an X-linked disease. X-linked genetic disorders are conditions caused by an abnormal gene on the X chromosome and manifest mostly in males. Females that have a defective gene present on one of their X chromosomes are carriers for that disorder.
Explanation:
this is the correct answer happy
In response to hemorrhage, there is A) peripheral vasodilation. B) increased parasympathetic stimulation of the heart. C) mobilization of the venous reserve. D) constriction of elastic arteries to maintain blood pressure. E) increased blood flow to the digestive system.
Answer:
Either B) increased parasympathetic stimulation of the heart. OR D) Constriction of elastic arteries to maintain blood pressure. I'm leaning more towards D) constriction of elastic arteries to maintain blood pressure.
In response to hemorrhage, there is peripheral vasodilation is either increased parasympathetic stimulation of the heart or Constriction of elastic arteries to maintain blood pressure. I'm leaning more towards constriction of elastic arteries to maintain blood pressure.
What is the effect of high blood pressure?
Heart attack has been the condition in which heart fails to pump the blood due to the blockage in the blood vessels and it has been results into the high pressure on the heart and the attack takes place.
In response to hemorrhage, there is peripheral vasodilation is either increased parasympathetic stimulation of the heart or Constriction of elastic arteries to maintain blood pressure.
The main reason for heart attack has high blood pressure and blockage in blood vessels of heart. After a heart attack many parts of heart such as volve and pacemaker stops working and sudden death may occur.
Therefore, In response to hemorrhage, there is peripheral vasodilation is either increased parasympathetic stimulation of the heart or Constriction of elastic arteries to maintain blood pressure. I'm leaning more towards constriction of elastic arteries to maintain blood pressure.
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Mining has been called "the most dangerous job in the world." While mining deaths in the United States have declined in number because of increased safety equipment, deaths and injuries still occur. What kinds of mining accidents can endanger those who work in the mines?
Answer:
Roof collapse,
Runaway mining cars,
Illnesses from mining,
Longwall shed collapse, and.
Lack of safety equipment.
Explanation:
accidents, dust (including poisoning by certain ores), high temperature and humidity, noise and vibration, toxic gases, and miscellaneous other hazards.
Which human activity has MOST negatively affected air quality?
A.) burning coal
B.) growing crops
C.) using solar energy cells
D.) constructing nuclear power plants
Which human activity has MOST negatively affected air quality?
D.) constructing nuclear power plantsHope it help ;-)
When proteins are metabolized in the body, the average caloric value is estimated to be ____ kcal/g.
Answer:
4.2
Explanation:
Based on this phylogeny, the archosaurs are a ______. Multiple choice question. monophyletic group polyphyletic group paraphyletic group
Based upon what we know of phylogeny, we can confirm that archosaurs are considered to be a monophyletic grouping.
Placing a species into the monophyletic grouping indicates that the species in question is among a group of species that all derive from a common ancestor. Therefore, a monophyletic group contains a common ancestor and all of its direct descendants. Studies have shown this to be the case for the archosaurs.
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using half life and the time you just calculated how old is a chicken fossil?
Answer:
66 million years ago
Explanation:
The age of dinosaurs, has been discovered. The tiny fossil, nicknamed the "wonderchicken," includes a complete skull hidden inside pieces of rock, and dates to more than 66 million years ago.
Answer: Now that you know how many half-lives have passed for your fossil, you need to multiply your number of half-lives by how many years are in one half-life. This gives you an age of 2 x 5730 = 11,460 years.
Explanation:
Which of the following is NOT one of the chambers of the heart?
Answer:
c. Mediastinum
Explanation: is correct
The mediastinum is an area. A division of the thoracic cavity
Mediastinum is not one of the chambers of the heart. So, the correct option is (C).
What is Heart?The heart is an organ roughly the size of a fist that pumps blood through the body. It is made up of several layers of tissue present in the center of the circulatory system.
The heart is divided into four chambers with two chambers at the top i.e. atrium, plural atria and two at the bottom i.e. ventricles, one on each side of the heart.
The right atrium contains two large veins that deliver oxygen-poor blood to the right atrium. Superior Vena Cava carries blood from the upper part of the bodyThe right ventricle is the lower right chamber that pumps oxygen-poor blood to the lungs through the pulmonary artery. The lungs reload the blood with oxygen.The left atrium received the blood by pulmonary veins after the lungs fill blood with oxygen. This upper chamber pumps the blood to your left ventricle.The left ventricle is larger than the right. It pumps oxygen-rich blood to the rest of your body.The heart valves act like the doors between the heart chambers which open and close to allow blood to flow through.
The atrioventricular (AV) valves open between the upper and lower heart chambers. They include:
Tricuspid valveMitral valveSemilunar (SL) valves open when blood flows out of the ventricles. They include:
Aortic valvePulmonary valveThus, mediastinum is not one of the chambers of the heart. So, the correct option is (C).
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Osteoporosis is a disease that affects the __.
Answer:
bones
Explanation:
it's also known as brittle bone disease.
