The answer u r looking for is- D, Nuclear Envelope. Hope I’ve helped ;)
Enzymes are biological catalysts. Catalysts work by lowering the amount of energy required to set off a chemical reaction.
D - The organisms on the island are slightly different than those on the mainland.
The reason why this is the correct answer is because each successive generation on the mainland as well as the island both develop and continue adapting to their specific ecological niche and environment. They are, howerer, both still part of the same species.
Answer:
1 détresses in the troposphere inverses in stratosphere
