Answer:
A. a system that can be affected by the outside environment, by an exchange of matter or energy
<span>The answer to your question is the 3rd option </span>
Answer:
The differemt isotopes that differ in atomic mass
Explanation:
Answer:
A and B is the answer as there structure change
The major carbon sources (reservoirs that release more carbon than absorbed) are: deforestation and fossil fuels
The major carbon sinks (reservoirs that absorb more carbon than released) are:
soil, oceans and plants.
When scientists calculate the amount of carbon dioxide is returned to the atmosphere vs the released the amount of carbon, a large amount is unaccounted for and the total does not add up. This is why scientists believe there is an undiscovered carbon sink somewhere.
