Answer:
80 * 80
6400
Explanation:
It can be done by simple ways but making it 80^2
80 = 75 + 5
so u can use the formula of (a + b)^2
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In performing its enzymatic function, carbonic anhydrase
Answer:
In performing its enzymatic function, carbonic anhydrase: requires the inorganic coenzyme zinc.
Explanation:
Got that from Quizlet
Place the following concepts in the correct order to explain how you can get shocked
after walking across the floor and reaching out to touch a doorknob or other object.
large electrical potential difference, induction, conduction, charging by
friction, static discharge
b)
none of the above
charging by friction, induction, large electrical potential di..vrencu, static
discharge
O d) induction, large electrical potential difference, conduction, repulsion
e) charging by friction, induction, conduction, static discharge
Answer:
The correct answer is option c.
Explanation:
When someone walking across the floor the friction is the concept that works in between the feet and floor or rug or carpet which makes the exchange between floor to the person. Now the body of an individual has a static charge at the moment.
When the person touches the doorknob or any metal, electrons move from the body of that individual to the handle or knob through the fingertips as static discharge due to the electrical potential difference and the person gets an electric shock.
Thus, the correct answer is option C.
Rock disintegrating into smaller and smaller particles over time is an example of _____.
A. erosion
B. deposition
C. chemical weathering
D. mechanical weathering
Which best explains how gravity contributes to the formation of layers in protoplanets? Gravity attracts materials and causes compaction, which produces heat and leads to the melting, sinking, and rising of materials. Gravity causes materials to undergo radioactive decay, which produces heat and leads to the melting, sinking, and rising of materials. Gravity absorbs heat, which cools materials and causes them to sink and rise. Gravity releases heat into space, which cools materials and causes them to sink and rise.
Answer:
A
Explanation:
The sentence that best explains how gravity contributes to the formation of layers in protoplanets is ; ( A ) Gravity attracts materials and causes compaction, which produces heat and leads to the melting, sinking, and rising of materials
Gravity is the force that attracts bodies with masses towards each other. bodies with larger masses posses greater forces of gravity. therefore
from the options gravity attracts materials and causes compaction which produces heat and leads to the melting, sinking and rising of materials.
Hence we can conclude that Gravity attracts materials and causes compaction, which produces heat and leads to the melting, sinking, and rising of materials
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Without adequate protein, children and teens' physical growth and brain development may be stunted.
A.
True
B.
False
Answer: the answer is true/a
Explanation:
Children who are malnourished–not just fussy eaters but truly deprived of adequate calories and protein in their diet–throughout this period do not adequately grow, either physically or mentally. Their brains are smaller than normal because of reduced dendritic growth, reduced myelination, and the production of fewer glia (supporting cells in the brain which continue to form after birth and are responsible for producing myelin). Inadequate brain growth explains why children who were malnourished as fetuses and infants suffer often lasting behavioral and cognitive deficits, including slower language and fine motor development, lower IQ, and poorer school performance.
A baby’s birth weight–and brain size–do depend on the quality of his or her mother’s nutrition during pregnancy. Pregnant women should gain about 20 percent of their ideal pre-pregnancy weight (e.g., 26 pounds for a 130-lb woman) to insure adequate fetal growth. This requires consuming an extra 300 calories per day, including 10-12 extra grams of protein.
Which of the following statements supports the claim that plants use a negative feedback system to conserve water during hot, dry weather?
A. The rate of photosynthesis falls off as the size of stomatal pores decreases.
B. The size of stomatal pore openings decreases as a function of humidity and soil hydration.
C. Stomata open and close in response to light signals and are sensitive to blue light in particular.
D. Stomata are located on the underside of leaves in plants that inhabit arid environments.
Which of the following individuals made the healthiest choice?
A.
Nancy ordered chicken nuggets.
B.
Tim ordered a cheeseburger.
C.
Kate ordered a salad with grilled chicken.
D.
Robert ordered chili cheese fries and a chocolate shake.
How does osmosis affect plants?
Osmotic pressure helps plants to keep its rigid structure.
Osmosis allows more sunlight to enter the plant.
Osmosis prevents plants from loosing water.
Osmosis helps distribute nutrients in different parts of the plant.
Answer:
the best answer is D. Osmosis helps distribute nutrients in different parts of the plant.
A project for a science class asks teams of students to build a windmill. The windmill is placed in front of a large floor fan. The goal for the project is to lift the greatest mass to a height of 1 meter in one minute. Which team had the best design?
A) Team A
B) Team B
C) Team C
D) It cannot be determined from the information in the table.
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Thank you
Answer:
C
Explanation:
I only say C because it seems closest.
Answer:
c
Explanation:
Team c
When NAD+ becomes NADH, it is being
NAD+ accepts a hydrogen ion (H+) and two electrons (2e−), as it becomes reduced to NADH + H+. The NADH moves to the electron transport chain and donates a pair of electrons (becomes oxidized) to the first compound in the chain.
Explanation:
When NAD+ becomes NADH, it is being reduced.
What is NAD+ and NADH?NAD+ is a coenzyme that is involved in many metabolic reactions. It is a dinucleotide, meaning that it is made up of two nucleotides. The nucleotides are nicotinamide adenine dinucleotide (NAD) and adenosine diphosphate (ADP).
NAD+ is oxidized when it loses an electron. This leaves the nicotinamide ring with an extra hydrogen atom, which gives NADH its name. NADH is a reduced form of NAD+.
The reduction of NAD+ is a necessary step in many metabolic reactions. For example, NADH is used in glycolysis, the process by which cells break down glucose to produce energy. NADH is also used in the Krebs cycle, the process by which cells break down carbohydrates, proteins, and fats to produce energy.
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How could you change your model to indicate a moon that is at apogee and perigee?
Answer:
The moon would look bigger during the perigee and it would look small during the apogee.
Explanation:
5. After a signal is transmitted from the eyes through the optic nerve, which part of the
the visual information?
O A. The frontal lobe
O B. The occipital lobe
OC. The limbic lobe
OD. The temporal lobe
Answer:
The answer is B. The occipital lobe.
Explanation:
The brain receives signal or information for vision through one of the five senses, the eyes. The brain processes the visual information in the occipital lobes of the cerebrum. The occipital lobes are one of the four main lobes of the cerebral cortex. The eyes transmit this information to the visual cortex. The visual cortex takes processes the information so, we are able to see the things.
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Which is true about cold fronts?
A. They tend to move quickly
B. They do not form clouds
C. They cause warm and humid weather
D. They tend to stay in one place
Answer:
A.
Explanation:
Because they move faster then warm fronts.
Answer:
its A mark meh pls
Explanation:
What do you call the stronger genes expressed in the hybrid, represented as capital letter?
Dominant Genes;
Because they are most likely to be expressed, when it goes between a dominant and a recessive gene (Hh), H would be expressed while h would just be carried.
Dominant Genes are stronger genes expressed in the hybrid.
What are dominant genes?
Dominant refers to the relationship between two versions of a gene. Individuals receive two versions of each gene, known as alleles, from each parent. If the alleles of a gene are different, one allele will be expressed; it is the dominant gene. The effect of the other allele, called recessive, is masked.
How do you determine dominant genes?Dominant alleles are seen as an uppercase of a letter; for example, B. Recessive alleles are seen as a lower case of a letter; b. In order for a person to show the dominant trait, one of the person's parents must have the dominant trait (which is an uppercase letter).
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Cigarettes reduce the supply of _________ to the fetus, so their _________ has to beat harder. Cigarettes contain over _________ chemicals, including harmful gases like _________ _________. Smoking will make the baby more likely to be born _________.
Answer:
Explanation:
cigarettes reduce the supply of oxygen to the fetus,so their heart has to beat harder.Cigarettes contain over 7000 chemicals,including harmful gases like carbon monoxide.Smoking will make the baby more likely to be born dead
Answer:
Cigarettes reduce the supply of oxygen to the fetus, so, their heart has to beat harder. Cigarettes contain over 7,000 chemicals, including harmful gases like Hydrogen cyanide. Smoking will make the baby more likely to be born with low birth weight or birth defects.
Explanation:
or it maybe dead
The somatic nervous system is responsible for controlling ______; the autonomic nervous system is responsible for controlling ______.
A. skeletal muscle and smooth muscle; cardiac muscle and organs
B. cardiac muscle and smooth muscle; skeletal muscle and organs
C. skeletal muscle; cardiac muscle, smooth muscle, and organs
D. organs and cardiac muscle; skeletal muscle and smooth muscle
C. skeletal muscle; cardiac muscle, smooth muscle, and organs
Explanation:The somatic nervous system has voluntary control of body movements via skeletal muscles, whereas the autonomic nervous system is responsible for controlling involuntary body functions, such as heartbeat, blood flow, breathing, and digestion.Skeletal muscle system (SNS) regulating voluntary skeletal muscle contraction and autonomous nervous system ( ANS) regulating involuntary control of smooth, cardiac muscles and glands.Hope this helps.
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In Redi's experiment with meat and maggots, the type of meat used would have been
a controlled variable.
True
False
How do miners form rocks?
Answer:
Surface mining allows extraction of ores that are close to Earth's surface. Overlying rock is blasted and the rock that contains the valuable minerals is placed in a truck and taken to a refinery. ... Other methods of surface mining include strip mining, placer mining, and dredging.
Explanation:
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8. Scientists divide the atmosphere into how many layers?
O eight
O five
Oseven
O four
five
Explanation:
fiveeeeeeeeeeeeeeeee
Answer:
five parts have been divided for atmosphere
How can a population grow?
Answer:
The population of the world is continuously growing. This not just causes over-population but reduces employment rates. Not only the population itself was growing, but also the doubling time was decreasing, which basically means that growth itself was growing. This rapid growth increase was mainly caused by a decreasing death rate (more rapidly than birth rate), and particularly an increase in average human age.
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During which period of development do individuals gradually become able to think like adults? adolescence childhood infancy adulthood
Answer:
Adolescence
Explanation:
Answer:
adolescents
Explanation:
when you reach the age where you are concerned of things like adults but are not get one
The first Clean Water Act of 1972 was significant because it
Answer:It kept the waters clean from polution
Explanation:
Mitosis should be error free; however, if errors do occur healthy cells can become___
cells.
Answer:
Explanation:
When a cell divides, it creates two identical daughter cells that each carry a copy of the original cell's DNA. The name for this process is mitosis, and errors in the process result in incorrect DNA copies. The effects of these errors on the health of the organism range from benign to deadly, depending on their number errors and type. One potential consequence is cancer;
Plants get for photosynthesis from the sun.
Answer:
Plants gain food from the sun by Photosynthesis,
Explanation:
The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct
Answer:
Light energy
Explanation:
Photosynthesis is a process that certain organisms called autotrophs, undergo to make their own food. Autotrophs are also called producers. Some examples of autotrophs/producers are plants and algae.
The photosynthesis equation is
carbon dioxide+water+light energy —> glucose+ oxygen
Carbon dioxide, water and light energy from the sun are turned into glucose (the food for the organism) and oxygen (waste product).
The sun provides the plant with light energy for photosynthesis. Therefore, the answer is light energy.
What are two things that chlorophyll does for a plant.
Which statement best describes a physical change?
O Changes can occur to certain chemical properties of the substance, but the overall shape of the substance will remain the
same
O Changes can occur to certain physical properties of the substance, but the overall shape of the substance will remain the
same
O Changes can occur to physical properties of a substance, but the chemical composition of the substance remains the
same
O Changes can occur to chemical properties of a substance, but the chemical composition of the substance remains the
same
Answer:
Changes can occur to physical properties of a substance, but the chemical compostionof the substance will remain the same
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Predict what would happen if the cytoplasm of the cell is dysfunctional?
The cell will keep doing its normal activity as long as it contains a nucleus.
The cell will not be able to access chemical substances that it needs to function.
The cell will lose its nucleus.
The cell will not be able to reproduce to create an identical cell.
Answer:
The cell will not be able to access chemical substances that it needs to function
Explanation:
Without cytoplasm, all there is in the cell is the nucleus, so the cell can't perform maintenance or make energy, or function at all. Without cytosol, there would be no medium in the cell for the organelles and solutes to move through.
If the cytoplasm of the cell is dysfunctional, the cell will not be able to access the chemical substances that it needs to function. The correct option is B.
What is cytoplasm?The gel-like substance that fills a cell is called cytoplasm. It serves as a catalyst for chemical reactions. It offers a foundation for other organelles to function within the cell.
A cell's cytoplasm is where all of the processes for cell division, growth, and replication take place. The only component of a cell other than the nucleus without which it cannot perform maintenance, produce energy, or otherwise operate is the cytoplasm.
There wouldn't be a medium in the cell for the organelles and solutes to pass through without the cytosol.
Therefore, the correct option is B. The cell will not be able to access the chemical substances that it needs to function.
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Why is Louis Pasteur considered the national hero of France?
Answer:
For his proof of germ theory, discovery of fermentation, and invention of pasteurization, Louis Pasteur was a French national hero by age 55, and even today, his name is a household word across the world
Explanation:
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Which of the following factors might be affected by a wildfire? a. food b. shelter c. biodiversity d. all of the above Please select the best answer from the choices provided A B C D
Answer:
D
Explanation:
If a wildfire swept through an environment, all these things would be affected. Food would be burned, shelter would be gone, biodiversity would be unbalanced.
Answer:d
Explanation: