What piece of evidence supports the theory that volcanic eruptions formed Earth’s early atmosphere.

a. Volcanoes are clustered near the equator, so their gas output spreads all over Earth’s surface.

b. Volcanic eruptions are inversely proportional to local atmospheric pressure.

c. Volcanoes expel a mixture of gases consisting almost entirely of water vapor and oxygen.

d. Volcanoes expel gases with chemical compositions which closely matched the ratios of non-photosynthetic gases in air.

Exactly what kind of weather conditions would a cold front produce?

Astudent conducts an experiment to see how music affects plant growth. the student obtains four identical plants. each one is potted in the same type of soil and receives the same amount of sunlight and water each day. plant a listens to classical music for three hours each day. plant b listens to rock music for three hours each day. plant c listens to country music for three hours each day. plant d does not listen to any music at all. 2. based on the experiment in the scenario, which visual aid would be most in showing the change in the plants' heights over time? a. a pie chart b. a line graph c. a timeline d. a bar graph

Whats the biggest sea in the world?