Answer:
millions of years
Explanation:
Takes a long time to form, so millions of years.
Answer:
Systems thinking is a powerful approach for understanding the nature of why situations are the way they are, and how to go about improving results. Historical perspective is important in understanding the evolution of a situation and in identifying patterns of behaviors over time.
Explanation:
Answer:
good question the answer is A. lol
Explanation:
Answer:
The cell is eukaryotic because it contains mitochondria.
nucleus
Explanation:
It radiates light and heat, or solar energy, which makes it possible for life to exist on Earth. Plants need sunlight to grow. Animals, including humans, need plants for food and the oxygen they produce. Without heat from the sun, Earth would freeze.
