D) Long chains of amino acids used for building, repair, and maintenance
Proteins are made up of amino acids, and they are used to create substances (like hair, nails, etc.)
Hope this helps!!
? I don’t get it?? Picture?
Answer:
A
Explanation: a is the most logical reason
Sweating (to try to remain cool) and increased heart rate (to help deliver oxygen to muscles faster)
Answer: This is called allopatric speciation. The species continue to evolve in the own way, adapting to their different conditions. The eventually become two different species adapted to each environment.
