Select the two most important sources of energy for Earth's natural systems.

plants

heat from Earth's interior

wind

fossil fuels

sunlight

Hunting and gathering societies A) employ about 15% of the world's people B) are found in isolated places in the world C) are characterized by large concentrations of people D) occur nearly everywhere but are especially common in Europe E.

Bureaucratic rule-making is best defined as

Which foods should a child not eat during the first year of life because of possible allergic reactions?

Are the Samsung Galaxy s6 Edge Plus' getting the new emojis?

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What is the difference between parenting and parenthood

What characterized the african slave trade in the 15th century?

The two motor vehicle insurance laws in Florida are the financial responsibility law and the what

Do u have someone ur in love with? This is a scientific poll for my science fair project.

How do i get my parents to buy me led strip lights?