Answer:
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Explanation:
About 95 percent of the time, Down syndrome is caused by trisomy 21 — the person has three copies of chromosome 21, instead of the usual two copies, in all cells. This is caused by abnormal cell division during the development of the sperm cell or the egg cell.
Answer:
C.) Warm, Windy, Normal, and Humid
Explanation:
Blastocyst . Why ? Because Each of those cells will eventually become a different part of the baby's body as they each multiply, creating muscle, bone, and organ tissues.
Most organisms either directly or indirectly use energy from the sun to survive, but not all of them. Plants and some microbes use the energy from the sun to perform photosynthesis.
Latitude measures how far a point is north or south of the equator. Since the earth is round, distance from the equator is measured in angular degrees with the equator being 0 degrees and the northernmost point -- the North Pole -- being at 90 degrees. The southernmost point -- the South Pole -- is also at 90 degrees.<span>Latitude is measured in degrees north when in the northern hemisphere and degrees south when in the southern hemisphere.
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