Hard water is water that has a high mineral content. Hard water is formed when water percolates through deposits of limestone and chalk which are made up mostly of calcium and magnesium carbonates.
Answer:
c
Explanation:
PP= dominant and homozygous because two same traits
Water goes downhill and the earth isn't Very spherical so it'll have ways for the water to go down and up to distribute the water around the world.
It seems to have choices. The exposure mutagens may lead to the mutation. When the mutation add up to a certain amount and can lead to cancer. So exposure mutagens will increase the cancer risk.
I believe the answer to this is Pictograph.