The answer is A. Energy first enters an ecosystem through light energy that is absorbed through photo-synthesizers
Answer:
8.757 x 10^23 molecules
Explanation:
Use Avogadro's number of 6.022
×
10
^23 molecules per mole.
64g CO2/44.01 g/mol = 1.454 moles of CO2
1.454 x 6.022
×
10
^23 =
8.757 x 10^23 molecules
Answer:
The size of the gravitational force is proportional to the masses of the objects and weakens as the distance between them increases.
