Answer:
A rock is a collection of minerals. In a cooling lava, mineral crystals do not have time to form and are very small. The chemical composition will be the same as if the magma cooled slowly. Existing rocks may be heated enough so that the molecules are released from their structure and can move around.
Explanation:
Answer:
Homeostasis is the regulation of bodily functions to stay within a certain range.
It is what makes plant stems, leaves, and branches so strong.
B.haploid cells are formed
