All but 3 because it only contains 1 carbon atom
they must be unicellular and microscopic and they must be eukaryotic
Toxins in the soil would enter through the root system first.
Science
This is true because humans can only know so much due to unexplored lands, water depth, and evidence of extinction being hidden.
<span>The answer to the question is that the behavior is an example of overproduction. A frog needs to lay thousands of eggs because so many of them die in the process of hatching to tadpole stage to frog. A frog lays so many eggs in the hope that a few of them will be able to reach adulthood and be able to reproduce the species in the future.</span>
