Which scientist discovered microbes in pond water by using a microscope?

Antonie Philips Van Leeuwenhoek

Explanation:

He created his own microscope to be able to see microscopic organisms. He was able to do this because his job specialized in lenses of various sizes and magnifications. Because of this, he is known as the father of microbiology.

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).

on island x the species needed to adapt because they were being subject to predators which didn't inhabit island y.