Answer:
I believe it should be C, D, A, B, E, it's a very debated over question about the order of events.
Answers
1a
2a
3b
4a
Let me know if you want explanations :)
Answer: C. there is more silicon than calcium at the surface of the earth
Explanation:
The three primary germ layers (called the ectoderm, mesoderm, and endoderm) are the primary layers of cells in the embryo from which all tissues and organs develop. Human pluripotent stem cells are also known as human embryonic stem cells.
Answer:
Microfilaments are fine, thread-like protein fibers, 3-6 nm in diameter. They are composed predominantly of a contractile protein called actin, which is the most abundant cellular protein. Microfilaments' association with the protein myosin is responsible for muscle contraction.
Explanation:
