Forms by subduction, when two or more of earths tectonic plates converge. The denser plate is pushed under the lighter plate.
A constant in an experiment is <u>B. </u><span><u>the quantity that must remain the same</u>. If it is constant, it doesn't change, so it cannot be variable. D makes no sense.
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B. an ecosystem
An ecosystem contains a community (several species of organisms) and the environment including air, water, and more.
Answer:
False
Explanation:
Earth's magnetic poles are not aligned because they arise from different mechanisms.
Answer:
Marker proteins are proteins that are incorporated in the cell membrane of a cell and based on these marker proteins a cell is identified. These proteins are very important while considering an organ transplant. If the marker proteins of the donor organ are not similar to the marker proteins of the original organ of the patient, then the immune cells will recognize the organ as foreign and the transplant will be rejected.
