Judging, assessing and justifying are all parts of
a. analysis
c. synthesis
b. evaluation
d. comprehension

the supermassive black hole is in the middle of the galaxy.

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.