The carbon cycle describes the process in which carbon atoms continually travel from the atmosphere to the Earth and then back into the atmosphere. Carbon is released back into the atmosphere when organisms die, volcanoes erupt, fires blaze, fossil fuels are burned, and through a variety of other mechanisms.
Answer: A would be the correct answer. Making observations would include scientists exploring the world around them
Explanation:
Answer: Genetic Variation
Explanation: It is the presence of differences in sequences of genes between individual organisms of a species.
