Answer:
a
Explanation:
The ice cream melting is an example of thermal energy, because the heat of the sun is melting the ice cream
hope it helps
Answer:
the answer should be b ot ccc
It is only active at a pH of around 2 because that is around the same pH as the gastric juices in the stomach which is where pepsin is used to break down proteins.
No this is not valid, bacteria and other Arachae do not possess membrane bound organelles like mitochondria and or chloroplasts, but use transport and enzymatic proteins across the cell membrane to carry out essential functions.
Along with having polypeptide makers, as ribosomes.
