When a substance freezes, . it releases thermal energy

it absorbs thermal energy

it changes from a solid to a liquid

its temperature drops

Amixture that has two or more substances that are spread out evenly is called a. compound b. heterogeneous c. substance d. homogeneous

Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory

Suppose that a certain fortunate person has a net worth of $71.0 billion ($7.10×1010). if her stock has a good year and gains $3.20 billion (3.20×109) in value, what is her new net worth?