Indicate structures of the brain that are involved and biopsychology factors that could impact the emotions, learning, memory, and motivation

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).

the second type of galaxy is called a barred spiral, which has a thing called a bar straddling the nucleus