Gerald is lightheaded and tired from the lack of oxygen in his tissues. What most likely is the reason he feels this way.
his plasma level is to high
his white blood cell count is high
his platelet count is low
his red blood cell count is low

His red blood cell count is low.

— hope this helps—

as in de.ez nu.tz

answer: that would be cheating

explanation:

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).