Depending on the size of the rock it comes from, yes and no. The smaller the rock, the smaller the crystals and vice versa.
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The answer is 0%. I have already learned about this! :)
Space satellites
Environmental
A tree is considered living because it takes in nutrients like other living things. The tree is also made up of cells which all living things are made up of. Trees can also produce offspring. Just like any other living thing.
It allows the scientist to determine the age of the rock it is in