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ExtremeBDS [4]
3 years ago
12

BRAINLIESTTT ASAP!!!

Biology
2 answers:
egoroff_w [7]3 years ago
4 0
The warmer the star, the bluer it will appear. The cooler a star, the more red it will appear. 

Proxima Centauri Red Dwarf Stars for example have significantly less heat, therefore their red color.
Mademuasel [1]3 years ago
3 0
Blue stars are the warmest, while red stars are the coolest. Therefore, temperature changes the color of a star.
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explain why eating down a food chain," vegetables instead of meat for example, is more energy efficient
Brut [27]

Answer:

I would say that meat is more energy efficient than vegetables because meat have more calories than vegetables do. Calories equal energy. For example, vegetables have an average calorie of 10 - 90 calories. While meat has 100 - 1200 calories. So, if calorie equals energy, I would say that calories are the reason why meat has more energy in it.

Explanation:

Mark as brainliest PLZ! It will make my day! Thank you!

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4 0
2 years ago
After completing meiosis II, human sex cells have a total of _____ chromosomes
vodomira [7]

Ans.

Meiosis involves a type of cell division in sexually reproducing organisms that results in formation of four daughter cells from a single parent cell, having half of the genetic material as in parent cell. Meiosis is divided into meiosis I and meiosis II.

In gamete forming cells of humans are diploid cells and have 23 pairs of chromosomes (or 46 chromosomes). Each gamete forming mother cell undergoes meiotic division to form haploid daughter cells or gametes, each with 23 chromosomes.

Thus, the correct answer is 'twenty-three' as there are 23 chromosomes present in human sex cells at the end of meiosis II.


4 0
3 years ago
Read 2 more answers
What is the difference between jet streams and global wind belts
ikadub [295]
Jet streams-Are fast flowing, narrow air currents found in the atmospheres of some planets, including earth.
Global wind belts-Are formed by 2 main factors which is the unequal heating of the earth by sunlight and the earths spin.
3 0
3 years ago
You are in the forest and see a large, snarling, drooling grizzly bear running directly toward you. The adrenaline rush you feel
elixir [45]

You are in the forest and see a large, snarling, drooling grizzly bear running directly toward you. The adrenaline rush you feel as you run toward the cabin is controlled by the sympathetic nervous system.

The sympathetic nervous system is a part of the autonomic nervous system which functions through various interconnected neurons. The sympathetic nervous system’s main role is to stimulate the neuronal and hormonal stress response (also known as body's fight-or-flight response). The sympathetic fibers in the adrenal medulla (inner part of the adrenal gland) produce acetylcholine (a neurotransmitter), which allow the high secretion of adrenaline and low amounts of noradrenaline from it. The sympathetic nervous system also prepares the body for action, especially in situations that are dangerous to survival.




7 0
3 years ago
What process uses a body cell to create a new organism?
Ilya [14]
I thinks its cell division
5 0
3 years ago
Read 2 more answers
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