We use batteries every day to play radios, iphones, video games, and even our car. but although batteries are a convenient technology, but they can cause problems for life on earth. batteries cause problems in all but one way. that is a) they are easy to recycle b) they release toxic chemicals. c) the toxins in batteries enter food chains. d) they put harmful elements into the ground water.

The diagram shows a fossil of an ancient whale skull and a skull of a present-day whale. the ancient whale is extinct and is believed to be an ancestor of the present-day whale. what do these skulls most likely show that supports darwin’s theory of evolution? all populations can adapt and survive. only some organisms have a common ancestor. populations change slowly over time. populations rapidly become extinct.

What must be done to breed dogs for a partical trait

Phosgene is a chemical agent that is formed by decomposition of chlorinated hydrocarbon solvents by ultraviolet radiation. a. false b. true