Explanation:
I think ethanol is the correct answer
D. they are homologous
homologous is when the organs/limbs etc are similar in position and structure but the function doesn’t have to be the same
The answer is papillae and long claws
Activation energy is the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction.
for example , striking a match on the side of a matchbox provides the activation energy, in the form of heat produced by friction.
