I think it is d - as plants animals and insects etc all do this
1.)<span>a. antibodies
2.)</span><span>b. its mechanism is well understood</span>
I do know the bones I think here are them <span>Structure of the </span>Pelvic Girdle<span>. The bony </span>pelvis<span> consists of the two hip </span>bones<span> (also known as innominate or </span>pelvic bones<span>), sacrum and coccyx. There are four articulations within the </span>pelvis<span>: Sacroiliac Joints (x2) – Between the ilium of the hip </span>bones<span>, and the sacrum.</span>
The answer to this question is A
Answer:
Water cycle
Explanation:
Water rains from the cloud into the ocean. Then the water gets sucked back up to atmosphere of the clouds