the suns temp. was to high for vioatiles ( gases like water and methane ) to condense so only the materials with a higher melting point and higher density were able to form
Decrease because they become compacted due to the process of compaction and cementation brought about by the heat and pressure.
Hope it helps
Polygenic because there are 2 distinct phenotypes
Answer:
After fertilization, the zygote begins to divide rapidly. Twenty-four hours after fertilization, the zygote contains two cells, and three days after fertilization the zygote has 16 cells and is called a morula. The cells continue to divide and form a hollow bundle called a blastocyst
Explanation:
