What is the source of carbon in a glucose molecule produced by photosynthesis?
a. CO2
b. Light energy
c. H20
d. glucose

some of your causes might be acidic rain or natural wildfires that cause the parks to be degraded

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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.

some inherited genetic mutations can be good for the offspring, so the answer is different genetic mutations cause many forms of cancer.