Fill in the blanks 1. energy is used by plants to prepare their foods.
2. …. is the main source of energy for the earth.
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1.Sunlight.

2.The sun.

Solar energy/Radient energy is used by plants to prepare their foods.

Solar energy is the main source of energy for the earth.

sulfur dioxide

explanation: acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. these substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.

answer; ///the above statement is (true);