Answer:
Overpopulation, overcrowding, pollution, disease outbreak, slower birth rates, lower national increase rate.
Explanation:
As more people move into cities, the population density will increase and people will crowd together. This will cause increased rates of disease and pollution.
Answer/Explanation:
Photosynthesis is important for all living organisms because it provides the oxygen needed by most living creatures for survival on the planet.
Answer:
Chemical composition
Explanation:
Sometimes Earth's layers are called crust mantle, and core. These are the names of Earth's layers based on their Chemical composition.
It regulates the planets temperatures