It would be A send a space probes to mars to study the surface like the NASA's Mars Exploration Rover (MER) mission was a robotic space mission involving two Mars rovers, Spirit and Opportunity, exploring the planet Mars.
Answer:
A is correct!
Explanation:
A. true
B. false
Answer: False, they have theories but nothing is certain.
Explanation:
Answer:
Yes it is reflexes.
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Answer:
Explanation:
The possible letters are A, C, G, and T, representing the four nucleotide bases of a DNA strand — adenine, cytosine, guanine, thymine — covalently linked to a phosphodiester backbon