Answer:
Earth's Upper Atmosphere. And Volcanoes.
Answer:
Students can also choose directed electives that allow them to get a certificate in Child Nutrition Program Management.
Explanation:
The boundary separates them<span />
Answer: Organisms depend on other organisms and on the nonliving things in an ecosystem to meet their basic needs for food, water and protection. 3. Plants use energy from the sun to produce their own food from air and water.
Explanation: