The chemical composition of the gases surrounding the earth has changed substantially over the past 4 billion years. one notable change was due to the emergence of photosynthetic organisms. the process of photosynthesis increased the amount of what gas in the atmosphere?

The process of photosynthesis increased the amount of oxygen in the atmosphere

Explanation:

Photosynthesis is the process by which plant manufacture their food using chlorophyll and sunlight in the presence of gas. They give out oxygen to the atmosphere and take in carbon dioxide from the atmosphere using the stomata present on their leaves

a graduated cylinder.

explanation:

plasma is the state of matter where the substance is ionized and has no definite shape or volume. the fact of being ionized makes the substance a good electrical conductor.