Help please!! What are the two types of genes associated with the regulation of the cell cycle/formation of cancer cells? What are they supposed to do? What happens when they are mutated?

There are six elements that make up most of the human body. which of the following is not one of these six elements?

Match the correct terms to their descriptions a system in which only energy but not matter is exchanged frozen water in snow part of geosphere that includes only soil a thin layer between the troposphere and the stratosphere cryosphere tropopause closed system pedosphere

They live on every continent except antarctica