An ecosystem is all the populations of organisms that live together and
A. the physical factors with which they interact
B. the organisms that generate energy from sunlight
C. the microorganisms that depend on them
D. the food that they take in as energy
The picture below shows the different layers of the sun. Match each layer with the correct description.
Answer:
The core / The layer which hydrogen atoms fuse to make helium
The convection zone / The layer in which hot gases rise and then cool
The photosphere / The layer of the sun that people can actually see
Explanation: