Are companies requied to label their foods gmo ?
(genetically modified organism)

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

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

Which measure of an earthquake depends on how close you are to the focus?