Chromosome is to cactus as gene is to

Place the steps tor the formation of the enzyme pepsinogen in correct order

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun

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