Question

1. what is climate change?

magnifying ultraviolet radiation in the atmosphere
a rise in global temperatures because of our natural systems being thrown out of balance
a source of energy that generates dangerous waste
the average temperature of our planet over the past million years

Explanation:

Climate change refers to long - term shifts in temperature and weather patterns. Human activities, such as burning fossil fuels, deforestation, etc., disrupt the natural balance (e.g., the carbon cycle). This disruption leads to an increase in greenhouse gases in the atmosphere, which trap more heat. As a result, global temperatures rise.

• Magnifying ultraviolet radiation in the atmosphere is mainly related to ozone layer depletion (e.g., due to chlorofluorocarbons), not climate change.
• A source of energy that generates dangerous waste is more about the characteristics of a particular energy source (e.g., nuclear energy waste) rather than climate change.
• The average temperature of our planet over the past million years is a historical climate description, not the definition of climate change.

Answer:

a rise in global temperatures because of our natural systems being thrown out of balance