Which of the following describes how phosphorus cycles throughout Earth? Phosphorus does not undergo significant changes like many other nutrients.

Select the true statements about eubacteria. most live as decomposers and heterotrophs. most only thrive in a narrow range of environments. certain eubacteria are responsible for food poisoning. eubacteria thrive in extreme environments.

What factors contribute to the effect an environmental toxin has on the human body?

Every early childhood education program should develop a