Answer:
Like many biological molecules nucleic acids are polymers, long molecules formed of repeating units. With nucleic acids, the repeating unit is the nucleotide. A nucleotide consists of a five carbon sugar, a nitrogen containing base and a phosphate group.
This occurs through conduction when two things get in contact with each other.
here's a definition from kid's britannica: "<span>Conduction transfers heat within a body or between two bodies that are touching. It is a point-by-point process of heat transfer. Conduction occurs in solids, liquids, or gases that are at rest. Energy flows, but the substance through which the heat is being transferred does not itself flow."</span>
Answer:
Tundra
Explanation:
Permafrost is a layer just beneath the surface of the ground that never thaws.
<span>the bird will hibernate instead</span>
It was probably because when a area had too much pollution, they could easily migrate away somewhere else by flying, while humans have to stay everywhere. Another reason could've been that birds can adapt to places quicker than other animals.
Hope it helps!