Explanation:
Two important ways by which humans have affected the carbon cycle, especially in recent history, are: 1) the release of carbon dioxide into the atmosphere during the burning of fossil fuels, and 2) the clearing of trees and other plants (deforestation) that absorb carbon dioxide from the atmosphere
A common human, they go from an embryo then develop into an infant then grow to a teen. once a teen they might go through changes...
a plant is also evidence, they develope from a seed to a small bud and grow to a small plant.
Answer:
Human Activitys.
Explanation
The goods we use, travel around the world very quickly, and they often carry uninvited species with them.
C) The core contains equal amounts of hydrogen and helium
