I believe the correct answer is true. Veins are often formed from hot water solutions. Hydrothermal deposits are a very common method of filling already existing fractures and occurs at varying depths. T<span>here are lots of veins formed by hot water that cause fractures or work their way up into non fractured rock. </span>
Flatworms are unsegmented worms. They have a tail and a head end by don't have any body cavity or specialized respiratory and circulatory organs. They are also bilaterally symmetrical which gives them both upper and lower surface. With this accompanying characteristics they typically have a flat shape or appearance.
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Answer: explanation below
Explanation:
Matter can change form through physical and chemical changes, but through any of these changes, matter is conserved. The same amount of matter exists before and after the change—none is created or destroyed.