In which of the following processes are large molecules broken down into smaller molecules
a. vitalism
b. anabolism
c. dehydration synthesis
d. catabolism

D is the correct answer. Metabolism is formed of two processes, anabolism, which builds new structures, for example, proteins, and catabolism, which breaks down existing structures. Catabolism breaks down large molecules like lipids into smaller ones like fatty acids.

Then it is june the conclusion to the second sentence is just restating "if it is june then it is summer"