AZ Sci prep #1

What are the trends of wildfires in California from 1988-2020?

• both wildfires and acres burned have increased over time

• Wildfires have decreased, but the acreas burned have increased

• Wildfires have increased, and acrea burned decreased

• both wildfires acres burned have decreased over time

How has the frequency of wildfires in California changed from 2000 to 2020?

• The frequency has remained constant

• The frequency has decreased

• The frequency has increased

• The frequency has fluctuated without a clear trend

Which decade saw the most significant increase in acres burned by wildfires in California?

• 1980s

• 2010s

• 2000s

• 1990s

The rocket with ______ liters of water had the most net force?

• 2.0

• 0.5

• 1.5

• 1.0

The net force increased as the _____________ decreased.

• gravity

• rocket

• height

• volume of water

What is the overall trend of CO₂ levels over the past 400 million years?

• A steady increase in CO₂ levels

• A steady decrease in CO₂ levels

• Fluctuations with an overall decline

• Fluctuations with no clear pattern

What might have caused the large fluctuations in CO₂ levels over the past 400 million years?

• Human activity

• Natural processes like volcanic activity and climate change

• Asteroid impacts

• Changes in the Sun's temperature