Which is a sentence?

Are being studied to learn more about human impact.

The exotic species that live there.

Examining the water and pollution levels.

Rain forests and swamps are fragile ecosystems.

Why was britain concerned about france's defeat by germany at the end of the 19th century? a. britain lost the economic support of the french governmentb. britain had wanted to attack france as wellc. british people thought they also might be attacked by the germansd. british people felt sorry for the former french king and his family

If a text made the claim that act iv was the most important act in the entire play, what evidence could you find to prove the accuracy of that claim? list one piece of evidence from the text to support that claim.

Don't eat the mushroom its poisonous