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Which of the Following Pairs of Cloud Types Could Be

question 22

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Which of the following pairs of cloud types could be very similar in appearance?


Definitions:

Ectoderm

The outermost layer of cells or tissue of an embryo in early development, from which the skin, brain, and nervous system develop.

Mesoderm

The middle layer of an embryo in early development, which gives rise to muscles, bones, and circulatory and excretory systems.

Germinal Period

The initial two weeks of prenatal development after conception, characterized by rapid cell division and the beginning of cell differentiation.

Blastocyst

An early stage of embryonic development that consists of a sphere of cells surrounding a fluid-filled cavity.

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