The goal was to orbit a spacecraft around the Earth. It has people in it. So the answer is B.
Answer:
Codominant- when both are expressed like in flower red and white are codominant so they mixes to get a pinks flower.
Incomplete Dominants- is when a where cow and brown cow mix the offspring are brown with white patches
Answer:
A
Explanation:
recombinant DNA ,the DNA derived from more than 2 or more DNA
Answer:
Early cyanobacteria in stromatolites are thought to be responsible for increasing the amount of oxygen in the primeval Earth's atmosphere through their continuing photosynthesis. They were the first known organisms to photosynthesize and produce free oxygen.
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Answer:
Without an oxygen atmosphere very few things could live on the early Earth. Anaerobic bacteria were probably the first living things on Earth. The early Earth had no oceans and was frequently hit with meteorites and asteroids.
Explanation:
