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.
The surface area is 1,620
Answer:
2003-25
Explanation:
To find carrying capacity on a graph, you need to locate the point on the graph where the population line is horizontal. Alternatively, the carrying capacity may be explicitly marked with a dotted horizontal line or a horizontal line of a different color.
Nucleus, mRNA, Rough ER, Ribosome, Golgi Body, Cell Membrane.
This question is kind of tricky since a protein would be within the nucleus AS an mRNA sequence and within the rough ER WITHIN a ribosome.