Puberty is defined as one: a. the production of hormones in the reproductive glands stimulated by the pituitary glandb. the stage of identity versus role confusionc. the physical changes that occur in the body as sexual development is stimulated by hormonal changesd. the time when a child becomes a teenager

Puberty is defined as the physical changes that occur in the body as sexual development is stimulated by hormonal changes. Through puberty, a child's body undergoes the process maturity into that of an adult, who is capable of sexual reproductive functions.

volcanoes (an event in the geosphere) release a large amount of particulate matter into the atmosphere. these particles serve as nuclei for the formation of water droplets (hydrosphere). rainfall (hydrosphere) often increases following an eruption, stimulating plant growth (biosphere).