What is chemical energy? energy camed by electrical current
energy stored in the bonds between atoms and molecules
energy due to the jiggling motion of molecules
energy stored in the bonds between the parts of an atomic nucleus

Ascientist wants to know how individual lions within a pride interact with each other in their own environment. to do this, the scientist sedates and tags all of the lions within a pride. then, he places several remotely-controlled video cameras near the lions' den and performs an observational field study. he collects continuous video footage over the span of one year, analyzes the video, and then forms conclusions based on his observations.