The DNA is splitting in two, thymine pairs with adenine, and guanine pairs with cytosine
The other is a result of ones radiation or sun exposure
A decrease in dissolved oxygen.
This is because oxygen is a byproduct of photosynthesis. If the plants are in water, some of the oxygen they produce will become dissolved in it. Without those plants, you have less dissolved oxygen.
Answer:
I think it is the last one D
Answer:
16/25
Explanation:
0.640 = 640
____, cancelling one zero, we have
1000
= 64
___, cancelling by 4, we have
100
= 16
___
25