Answer:
B.an error occurs when the damaged DNA is repairex
Explanation:
the best answer is B
Around 1.5 billion years after prokaryotes.
Scientific notation is important because astronomers and other scientist use this when they are working with very large or very small numbers. You already know that scientific notation is a system for writing and working with numbers that makes it much easier to deal with numbers that are very small or very large.
1. Scientific Notation expresses a value as the product of a number between 1 and 10 and a power of ten.
2. D
3. it makes very large or very small numbers easier to work with.
4. B and D
5. False
Hope these are correct :) Have a great day
You need organisms like some are in plants and without Plants how will the animals eat
11. D
12. C
13.
14.
15.
thats all I know, hope it helped