Alpine Tundra are found at the tops of tall mountains.
And it differs because the <span>Arctic refers to Northern latitudes, alpine refers mountainous regions.</span>
A. they have a higher proportion of adenine–thymine than guanine–cytosine base pairs.
The option A represents the complete opposite of "high-gc gram-positive bacteria". High GC content means that this bacteria have more guanine ans more cytosine than the other base pairs- adenine–thymine. This means all the other options are correct.
_______________ reactions transfer energy to the surroundings, usually as heat.
C. Exothermic
The answer to this one is true
