Answer:
Producers are always at the beginning of a food chain. Producers begin every food chain because they can make their own food.
The kind that messes everything up I guess
Answer:
Humans have greatly increased the level of in the atmosphere. O A. argon B. oxygen O . C. carbon dioxide O D. nitrogen
=carbon dioxides
Answer:
Convection is the process of warm fluids rising and cooler fluids sinking. Inside the Earth, convection is powered by heat mostly from the core. The slow circulation of rock in the mantle moves the tectonic plates at the surface.
Explanation: