How many neurons are found in the human body?

How do wetlands improve water quality in an ecosystem?

Lima, Peru, is a city on the shore of the eastern Pacific. During a La Niña, you would expect the weather to be A. Warmer, drier than normal B. Warmer, wetter than normal C. Cooler, drier than normal D. Cooler, wetter than normal

Which of these is a challenge related to nuclear fusion reactions?

Is biomass in the rainforest an energy source or energy sink

The illegal poaching, trading, transporting, buying or selling something is called what?

Which term names the replacement of living cells with minerals to form a rock-like fossil of a living thing? A. mold fossil B. petrified fossil C. cast fossil D. trace fossil

What is the diffrence between working in a field or laboratory

What does the principle of descent with modification imply?

There is a high level of occupational inheritance. a. True b. False

Some types of aquatic frogs bury themselves in the mud and spend the winter hibernating at the bottom of the lake and pond. which characteristic of life does this behavior represent