Silicon
Silicon has the chemical properties that are most similar to those of carbon.
Hello! Here is what I have found
The force of gravity determines how long an object will take to fall to the ground. ... However, when the experiment was done on the Moon, the feather and the hammer both hit the ground at the same time because, in the absence of air resistance, all objects do in fact accelerate towards the ground at the same rate.
like what are they made of? if so iron, due to iron oxide appearing as red hence why mars is red
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