Answer:
the sea otter eats the urchin the the shark eats the otter
It is referring to natural selection
A) proton: positive charge
Answer:
5.0 × 10^8 cells.
Explanation:
Mass of DNA = 2 × 10^-12 g/cell
Mass of DNA to be isolated = 0.001 g
No of cells = 0.001/2 × 10^-12
= 5.0 × 10^8 cells.
