What caused the US heat wave?

The video discusses record-breaking temperatures in the Western US, caused by a heat dome and a prolonged dry spell. These conditions have led to wildfires and strained power networks. The frequency and duration of heat waves have increased significantly since the 1960s.

What is one of the main causes of the extreme heat in the western United States?

• A cold front

• A heat dome

• A snowstorm

• Increased rainfall

How does the dry spell contribute to the rising temperatures?

• By cooling the air

• By reducing soil moisture

• By causing more rainfall

• By increasing humidity

Which states experienced new wildfires due to the extreme heat?

• New York and Pennsylvania

• Montana and Wyoming

• Oregon and Washington

• Texas and Florida

What did California operators request from homeowners to manage energy demand?

• Turn off all appliances

• Conserve energy in the afternoon and evening

• Increase water usage

• Use more air conditioning

How have heat waves changed since the 1960s according to the US Environmental Protection Agency?

• They have remained the same

• They have become shorter

• They are almost three times as frequent

• They have become less frequent