Which of the following best explains why the biosphere is a key component of the earth’s systems?
a.
the biosphere is a key component of the earth’s systems because it is a common concept to many disciplines in science.
b.
the biosphere is a key component of the earth’s systems because the seasonal cycles directly affect primary productivity.
c.
the biosphere is a key component of the earth’s systems because it drive the other systems by interacting with and exchanging matter and energy with the other spheres.
d.
the biosphere is a key component of the earth’s systems because it has evolved to create the chemical composition of the planet we know today.