Some scientists theorize that climate changes can be caused by

1. an increase in earth’s interior heat

2. variations in the color of light coming from the sun

3. a change in the angle of the earth’s axis

4. a change in the chemical composition of the oceans

Why were the articles of confederation replaced with the constitution? a. the articles of confederation did not vice strong power to the federal government. b. the articles of confederation did not create a government structure for the states. c. the articles of confederation did not provide powers for strong individual state governments. d. the articles of confederation did not allow the federal government to deal with foreign countries.