The answers are photosynthesis, respiration, decomposition, natural rock weathering and fossil fuel combustion.
A. Metaphase I b. Metaphase II<span>c. Anaphase I
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Answer:
An embryo is the early stage of human growth in which the vital body structures of organs are developed. In the 11th week of pregnancy, which is the 9th week of development after egg fertilization, an embryo is considered a fetus.
Explanation:
A. soil
a. stimulus
b.carbon
b. as a single cell