Lightning strikes a tree and start a forest fire. This is an example of the (a) biosphere
(b) lithosphere
(c) hydrosphere
(d) atmosphere 

affecting the
(a) hydrosphere
(b) biosphere
(c) lithosphere
(d) atmosphere

All eukaryotic cells contain small bodies called

Which short-term environmental changes would a very small asteroid or comet impact on earth most likely cause? check all that apply. flooding extinction craters on surface changes in weather patterns death of organisms and populations

Look at the photo of the leaf, which term best describes this leaf ? a-simple. b-parallel. c-lobed. d-tooth.