A busy city is similar to a cell. Both a city and a cell are made up of many important parts that work together as a whole. What could you find in a city that has a similar function to the mitochondria in a cell? A. a power plant
B. a water tower
C. a traffic signal
D. a street sweeper

A. Power plant     :)

mitochondria provides the energy.

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).

most community's take hundreds of years to become stable