A hormone is a regulatory molecule that is secreted into the blood by an endocrine gland
<u>Answer:</u>
<em>False</em>
<u>Explanation:</u>
Carbon cycle is the process by which the <em>carbon in the atmosphere of earth</em> is exchanged and released in the biosphere and atmosphere of the earth.
<em>The statement listed above is false because amount of carbon is increased or decreased by the burning of fuels not by the fluctuation of the carbon cycle. </em>
This cycle is only the path way or <em>the procedure sketch of how carbon is transformed and exchanged in the atmosphere</em> it is not a cause in any way to reduce or increase the carbon content.
i think the answers b
hope this helps!
About 93 million miles or 150 km or 8 light minutes (don't know what that means)
The percentage is 89%. Took this test and got the same exact question.