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Vikentia [17]
3 years ago
12

A student put the powder to the corom board . Sciencetific reason for adding powder is ,

Biology
1 answer:
kondaur [170]3 years ago
8 0

Answer:

B or D

Explanation:

think of it how you use chalk on a chalk board, its less friction using chalk instead lets say a marker on a white board.

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The cell spends 90 percent of its time performing "everyday" functions, growing and preparing to divide during
Mrrafil [7]

Answer:

interphase

Explanation:

Interphase is the most important phase of cell life cycle where it spends 90 percent its time in regulating the metabolic activities of the cell. In this phase cell undergoes several metabolic activities to maintain the growth of the cell.

There are three phases in interphase G1, S and G2. During this phase cell undergoes several changes that include  cell grows, DNA replicates and prepare itself for mitosis.

Hence, the answer is "interphase".

8 0
2 years ago
Which of the following explains why it took so long for the public to accept the negative health effects of smoking?
Bogdan [553]

Answer:

I believe the answer is B  

Explanation:

I hope this helps

8 0
3 years ago
What was the carbon cycle on the prairie like?
raketka [301]

Answer:

It stores more carbon below ground than a forest stores above.

Explanation:

4 0
3 years ago
Read 2 more answers
The crossover frequency between genes D and G is 32% how many units apart are genes D and G on the chromosome?
Katen [24]

Answer:

32 map units

Explanation:

hope it helps

8 0
2 years ago
Which type of tissue forms the upper layer of the epidermis?
zzz [600]
Hello There!

Answer: C. Squamous epithelial tissue.

Hope This Helps You!
Good Luck :) 

- Hannah ❤
4 0
3 years ago
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