Worms are the simplest organisms that have a brain , which is made up of a knot of nerve tissue found in the

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).

answer:

sequence 1- deletion

                  2- duplication

                  3- insertion

                  4- substitute

                  5- inversion

easy

explanation:

b) the inside picture would look at a very high temperature in a very low ph