Q: Toxic compounds in the environment have the most severe impact on animals that are top-level what? Choices: - vegetarian - herbivores - omnivores - carnivores A:
carnivores

(Question)
Q: What kind of charges do protons give the nucleus? Choices: - negative - dynamic - neutral - positive A:
(Answer)
positive

Ques: Q: Where do producers in an ecosystem generally get their energy from? Choices: - predators - chlorophyll - consumers - the sun A:
Ans: the sun

(Q).
Q: What is the largest mammal on earth? Choices: - tiger shark - water buffalo - giraffe - blue whale A:
(A).
blue whale

Ques:Q: What system is the brain the control center of? Choices: - adrenal - fibrous - circulatory - nervous A:

Ans:nervous

Ques:Q: Marshes, swamps, and bogs are types of what? Choices: - grasslands - rivers - ponds - wetlands A:

Ans:
wetlands