Which planet would scientists like to explore 1st because it is so similar to Earth's?

Mars

Explanation:

"Mars is an excellent place to investigate this question because it is the most similar planet to Earth in the Solar System. Evidence suggests that Mars was once full of water, warmer and had a thicker atmosphere, offering a potentially habitable environment."-

https://www.esa.int

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Mars

Explanation:

Mars

It is the closest to the earth itself and similar in habitat, such as how it covers over its water resource which is plentiful underground than above, and seems to have a near-fertile soil where food and resources can be grown and used in a biological manner. It is quite habitable and sustainable for humans to thrive in, with good temperature in similarity to earth's.

a) the particles of the chair are strongly held together.

i believe the answer is true.