The two most important chemicals are ___________ & ______________.
Answer:
Sulfuric acid
Explanation:
Sulfuric acid
Answer:
Sulfuric acid
Explanation:
(10 points} {brainliest} PLS HELP <33
The mechanoreceptors sensing light touch are concentrated on
A. the back of the body.
B. hairy skin like forearms and legs.
C. hairless skin like lips and fingertips.
D. the scalp.
Answer:
Hairless skin areas
Explanation:
The mechanoreceptors sensing light touch are concentrated on Hairless skin like lips and fingertips, option C is correct.
Mechanoreceptors sensing light touch are most concentrated on hairless skin regions such as lips and fingertips. These areas have a higher density of specialized touch receptors, known as Meissner's corpuscles and Merkel cells, which are particularly sensitive to light touch sensations. Hairless skin allows for more direct contact with external stimuli, enhancing the perception of gentle touch and fine tactile discrimination.
In contrast, areas with hair, like the back of the body or the scalp, have a lower density of these mechanoreceptors and are more involved in detecting other sensory modalities such as temperature or pain, option C is correct.
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This is science they dont have the selection for science
Which option describes mechanical weathering?
Select one:
1.Carbon dioxide combining with water.
2.The freezing of solid matter.
3.Acid rain falling to the ground.
4.Rocks being broken apart.
answer ASAP timed test!!! I will mark brainliest for who ever answers 1st and correct!
Answer:
#2 the freezing of solid matter
Explanation:
its easy
PLEASE HELP!!!! DUE AT MIDNIGHT
Drag the tiles to the boxes to form the correct pairs.
Match the parts of fruits.
Answer:
Exocarp is the outer layer
Endocarp surrounds the seed so I suppose the papery part
Mesocarp I think is the fleshy stuff.
Hope it helps!
Explanation:
Could someone explation for me ?
I was ask yesterday but wrong answer !!
Which gas is forming in the test tube shown
above?
A. carbon dioxide
B. hydrogen
C. oxygen
D. nitrogen
the answer is c!!
Answer:
i believe its C
Explanation:
Answer:
carbon dioxide ......is your answer
Thomas Malthus proposed that
Why is it necessary to reduce the number of chromosomes in gametes, but not in other cells
Answer:
The reduction of chromosomes in the gametes is necessary to make sexual reproduction possible, in which each parent contributes half of their chromosomes and in fertilization a cell with the complete amount of chromosomes is produced, the zygote.
Explanation:
The reduction of chromosomes to form gametes is done by meiosis, a reductive cell division. Sex cells or gametes are haploid cells, i.e. with half the chromosome charge, as each parent must contribute a gamete in the reproductive process.
The union of the parents' gametes is called fertilization and its product is the zygote, whose chromosome charge is complete or diploid.
For a diploid zygote to be formed, it is necessary for the sex cells or gametes to be haploid, or with half of the chromosomes of the species..
The genetic content built of proteins and nucleic acid found in the nucleus of cells are called chromosomes.
The reduction of the chromosome is essential for sexual reproduction.
In this sort of reproduction gametes from each parent fuse to form offspring.Each parent provides half the number of chromosomes (n) to form a complete offspring with the total set of chromosomes (2n).In the process of gamete formation chromosomes, get halved due to meiosis.The reproductive gametes from both the parent combine via fertilization and form the diploid offspring.Therefore for a diploid offspring to be formed the gametes need to be haploid.
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I need some help on this worksheet ASAP please
Answer:
sorry I don't know the answers
Roger is studying how energy from the Sun changes to chemical energy in plants and to mechanical energy in animals. He is studying _____. quantum physics chemistry biology thermodynamics
Match each of Earth's spheres to the materials that make up the sphere.
biosphere
atmosphere
geosphere
hydrosphere
Answer:
1) Geosphere
2) Hydrosphere
3) Atmosphere
4) Biosphere
Explanation:
The mountains make the geosphere, water makes the hydrosphere, air makes the atmosphere, and the earth where life exists makes the biosphere. Thus, the correct options are 1. c. 2. d, 3. b, and 4. a.
What are the spheres of the earth?The earth has various spheres made of various elements. The geosphere has been constituted of the crust and the rocks that provide the habitat to the living organism. Hence 1. c is correct.
The hydrosphere has been constituted of the water element that includes underground water, and surface water, in the form of ice, vapor, liquid, etc. Hence, 2. d is correct.
The atmosphere has been constituted of air and gases that have various layers based on altitude and temperature. Hence, 3. b is correct.
The biosphere has been the sphere constituted of the ecosystem that contains all the life ranging from mountains to lands and oceans. Hence, 4. a is correct.
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Which type of physical weathering causes intrusive igneous rocks to break into massive sheets like an onion?
HELPP PLEASE WITH THIS QUESTION PICTURE ABOVE!!
Answer: D.
Explanation: There are more prey than there are predators.
Answer:
C
Explanation:
The graph shows that when the prey peaks, usually the predator increases or starts rising in the graph. Showing a direct relationship.
Hope this helps!
How many electrons are in the nucleus of an atom with an atomic number of
16?
O None, Electrons are not in the nucleus
O 8
0 16
0 32
None, Electrons are not in the nucleus
They are present in orbits or energy shells.
Answer:
16( electrons revolving around nucleus)....in nucleus, only protons and neutrons are present....
Explanation:
Formula,
No.of protons= No. of electrons= Atomic number
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A 2-gallon container of laundry detergent costs $38.08. What is the price per cup?
Answer:
$1.19 per cup
Explanation:
So there are 32 cups in 2 gallons (16 cups per gallon) and we already know how much the whole container costs. So now all we have to do is come up with an equation, such as $38.08/32.
38.08/32 = 1.19
To solve this we must be knowing each and every concept related to gallon. Therefore, $1.19 is the price per cup when a 2-gallon container of laundry detergent costs $38.08.
What is gallon?The gallon presently has one definition inside the imperial system and two in the US customary system (liquid and dry). There have been several definitions and redefinitions throughout history.
Similarly, a Gallon is the standard unit of volume which denoted as “gal”, mainly used to measure the liquid Quantity in the customary systems of the United States and the Imperial System of measurement of the united kingdom.
there are 32 cups in 2 gallons
the price per cup=38.08/32 = $1.19
Therefore, $1.19 is the price per cup when a 2-gallon container of laundry detergent costs $38.08.
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Why is the molecular weight of free glucose 180.2 while the molecular weight of glucose is 162?
Someone pls helppp quick!!!!
Answer:
First one
Explanation:
A molecule of glucose has 10 fewer hydrogen atoms than a molecule of sucrose
Sucrose- H22
Glucose-H12 + 10 =22
Hope this is right!
What is the best way to determine if it is living or nonliving
Answer:
the pulse or the temperature of the body
Answer:
If it grows and develops, uses energy, reproduces, is made of cells, responds to its environment, and adapts to its environment, it's living. A non-living object will not conform to all of these, only one or multiple of these qualities.
Which inference can be drawn based on the information in the advertising?
g Each onion plant begins as a single cell containing 16 chromosomes. How many chromosomes are present in each of the cells that you observed
Answer and Explanation:
The parental and daughter cells are equal. If the cells are not in the process of cellular division, and the onion plant begins as a with 16 chromosomes, then in each cell observed in the plant there will be 16 chromosomes. Only when these cells are going through the division process, either mitosis (somatic cells) or meiosis (germ cells) the chromosome number will be altered.
If a man is color blind (an X-linked trait), how did he get this condition?
He got it from either his mom or his dad.
He got it from both his mom and his dad.
He got it from his dad.
He got it from his mom.
Answer:
He got it from his mom.
Explanation:
An X-linked trait means it is transmitted on the X chromosome.
Females have two X chromosomes (XX), and males have one X and one Y chromosome (XY).
Males get their Y chromosome from their dad, and X chromosome from their mom.
Therefore, the man inherited the colorblindness trait (X chromosome) from his mom
How do heredity and inheritance relate to the data presented In these charts
Your risk is greatly raised if any of these relatives have had breast or ovarian cancer. However, until many of these “secondary” relatives have the disease.
What is role of inheritance in breast cancer?A woman's risk of breast cancer nearly doubles if she has a first-degree family (mother, sister, or daughter) who has the disease.
Her risk is nearly three times higher if she has two first-degree relatives. A woman's risk of developing breast cancer is considerably higher if her father or sibling had the disease.
Gene changes that are connected to breast cancer are typically acquired. Only the breast cancer cells experience acquired DNA alterations over time.
Therefore, Hereditary is Breast cancer and Inheritance is Getting Breast Cancer, basically it runs in the family inheriting.
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Ian accidentally spills a beaker of an unknown solution. It splashes onto the strip he used to test Solution 1, and the strip turns from red to blue. Based on this observation, which conclusion could Ian make about the solution that he spilled?
What kind of air do winds coming from land masses bring?
A. High pressure air
B. Dry air
C. Low pressure air
D. Moist air
Answer:
B
Explanation:
The kind of air that winds coming from land masses bring is high-pressure air. The correct option is A.
What are winds?The uneven heating of the Earth by the sun and the rotation of the Earth result in the wind, which is the movement of air. Light breezes to natural disasters like hurricanes and tornadoes are all types of winds. The moving air is called wind in simple words.
Differences in pressure and temperature are the primary causes of air movement. Warm air rises because it is lighter than cold air, which travels downward to replace warm air because it is denser. This event produces the wind.
Because the wind flows from high pressure to low pressure, the winds from the land masses bring dry, high-pressure air to this area.
Therefore, the correct option is A. High-pressure air.
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TRUE or FALSE?
Changing one base letter on a mRNA codon
will always change the amino acid it codes for.
15. Why or why not?
Changing one base letter on a mRNA codon will always change the amino
acid it codes for.
A codon is referred to as a trinucleotide sequence found in DNA or RNA.
Each codon which is usually 61 number have a unique amino acids in which
they code for.
When one letter of the codon is changed, the amino acid in which it codes
for will also be affected and changed.
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Which one of the following is the infective stage of the Malarial Parasite?
A- Trophozoite
B- Sporozoite
C- Schigozoite
D-Sporoblast
Primary succession may evolve from what scenario?
Answer:
Primary succession occurs when new land is formed or bare rock is exposed, providing a habitat that can be colonized for the first time. For example, primary succession may take place following the eruption of volcanoes, such as those on the Big Island of Hawaii. As lava flows into the ocean, new rock is formed.
I hope this helps :)
The information a cell requires to meet its needs is stored in its
The information a cell requires to meet its needs is stored in its nucleus
Which correctly lists three materials that preserve soft tissues in fossils?
amber, minerals, and sediment
minerals, permafrost, and amber
permafrost, amber, and tar
sediment, minerals, and amber
Answer:
Permafrost, amber and tar
Explanation:
Fossils are the remains of prehistoric plants or animals embedded and preserved in rocks. They are preserved by three main methods: unaltered soft or hard parts, altered hard parts, and trace fossil.
Soft-tissue original remains are very rare except as captured in amber, trapped in tar, dried out or frozen in permafrost.
Amber is ancient tree sap that can trap flowers, worms, insects as well as small amphibians and mammals and preserve them whole.
Permafrost is an area of land that is permanently frozen below the surface. It is common in Siberia (part of Russia) and in Alaska. Many different kinds of frozen extinct as well extant animals have been found in Siberian permafrost, including woolly mammoths, horses and bison, and lions.
Tar or asphalt is a liquid found naturally in small pits in swamps. These pits are formed from crude oil seeping through the ground. The lighter elements of crude oil evaporate leaving thick sticky asphalt. Animals that fall into these pits hardly escape and their bodies are preserved within. Fossils of animals such as wolves, short-faced bears, American lions, ground sloth and saber-toothed cat have been found preserved intact in tar.
Answer:
c
Explanation:
Answer. Do it correctly win $5,000 dollars. I'm not joking.
