Scientific evidence suggests that there is more carbon dioxide in the atmosphere today than there was a hundred years ago. some scientists theorize that because fossil fuels, such as oil and coal, have carbon in them, fossil fuel burning has caused the increase in carbon in the atmosphere. what best describes the movement of carbon in this case?

What was the land like over 500 million years ago? what was under the sea?

Do the following statements describe actin, myosin, both of the proteins or neither of the proteins? (a) contains a binding site for calcium (b) found in the i band (c) exists in a globular (g) form and a filamentous (f) form (d) contains a binding site for atp (e) is a component of the thin filament (f) is a component of the thick filament

Need asap plz hurry im being timed when a body cell divides through the process of mitosis, the chromosomes in the daughter cells a. represent only the healthiest chromosomes from the parent cell. b. represent only half of the chromosomes in the parent cell. c. are identical to the chromosomes of the parent cell. d. are formed when chromosomes from the parent cell cross over.