The correct answer is:
Emigration because it means people are moving out, causing the population to decrease along with a death rate.
Explanation:
if there are a high death rate and a large amount of emigration, populations will likely decrease. Emigration relates to an experience when an individual walked out to another place because of some reasons ( the most common one are: Rare resources, societal problems, depression, or solely because they required to try out their fate).
Hydrogen bonds are bonds between a hydrogen in one polar molecule and the negatively charged end of another polar molecule. Hydrogen bonds allow two molecules to link together temporarily. Water molecules are made up of two hydrogen atoms and one oxygen atom, held together by polar covalent bonds.
Denaturing is when the temperature is too high and the enzymes are destroyed
A. Iron-titanium oxide helps preserve the direction of magnetic fields