Answer:
Sooo.. because i am like superrr smart (not really) i think its C :)
D. Man-Made is the answer
Answer:
In an ecosystem, energy enters in the form of solar energy or light energy from sun. Solar energy is transformed into various other types of energies like kinetic energy, chemical energy, potential energy, etc; but it eventually leaves the ecosystem in the form of heat energy.
I'm pretty sure it's high density as a solid.
