Answer:
Some of the things that worms eat include dead plants, live plants, dead animals, animal poop, and other microscopic animals. After they eat, they grind up and digest their food and pass the rest as waste, called castings, which go back into the soil and help plants grow and stay healthy.
Whale skeletons support so much life because they contain an enormous amount of oil. Before this happens, they must release enough eggs or larvae so that some tiny proportion will be transported by the ocean currents and survive until they can find and colonize another whale carcass.
Answer:
three half-lives
Explanation:
Converting 12.5% to decimal gives 0.125
If one half life is 0.5.
0.5*0.5*0.5 gives 0.125
Thus 3-half lives has been elapsed
The Black Sea is a main body of water separating Europe and Asia.
Answer:
The correct definitions are a, c and d
Explanation:
The definitions of system, heat energy and chemical energy are correct but the definition of surrounding is not correct.