A, they don't have to spend time and energy finding a mate so they can just keep reproducing
They would know if they see anything like traces of water or anything else that would be nessecary for a living organism to have. They look for these with technology like the hubble telescope as well as the drone on Mars to gather as much information as possible.
Transcript of Photosynthesis, Cellular Respiration and Fermentation. Photosynthesis is the process by which producers (plants and algae) make their own food using energy from the sun. ... Light (chemical) energy gets stored in the plant cell's chloroplasts
Answer:
D
Explanation:
the only thing that sets our sun apart from others is that its closer
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