Well there's Water, Earth, Fire, and Air. Not quite sure how this would be a school question. But here it is.
heterotrophs energy comes from the sun
Poor fitness can cause your heart to start disfunctioning, and not beating the way it should be. If an adult is not exercising often, they can end up having major heart problems that can affect the way they see their future.
Answer:
A sexual reproduction it is mostly send in single sel organisms
This part of the experiment serves as basis of comparison; the one variable being tested has been omitted Experimental group.This part of the experiment shows the effect of the one variable being tested.Independent variable.This variable is an experiment is the one being deliberately changed by the scientist.
