Answer:
The effort put by scientist and sailors about earth is that they keep on going round the earth and putting their lives in danger and some even give their lives.
Explanation:
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Question 1 is nucleolus and other chromatins (chromosomes), nuclear bodies, nuclear matrix, nucleoplasm, and nuclear envelope. Question 2 is Lysosomes are membrane-bound organelles found in every eukaryotic cell. They are widely known as terminal catabolic stations that rid cells of waste products and scavenge metabolic building blocks that sustain essential biosynthetic reactions during starvation.
Answer:
Explanation:
It is estimated that the Precambrian Era lasted between 3.9 and 4 billion years. Many scientists believe that this era accounts for 90 percent of the world's history.
Answer:
1 e
2 d
3 b
4 a
5 c
Because the DNA is being recombined with other DNA.