Explain what an atom is and what types of atoms there are. what are their purpose?

Ascientist and her team counted 200 individual deer in an area of 10 square kilometers. what is the population density?

What is the role of fadh2 in cellular respiration

Which description shows competition in an environment? an organism that feeds on some food an organism that finds a place to sleep three organisms of the same species living in an area three organisms battling over limited resources