Which of the following is a true statement? Water breaking apart rocks by freezing and thawing is an example of physical weathering.
Water moving pieces of rock from one place to another is an example of chemical weathering.
Glaciers carrying rock from one place to another is an example of chemical weathering.
Glaciers carrying rock from one place to another is an example of physical weathering.

Which best describes a rhinovirus? o a. a virus that causes a common cold o b. a protective shell around a virus o c. a tube the comes off a virus o d. a piece of dna transferred by a virus

The graph below compares the rates of reaction of a burning candle and an exploding firework. comparing chemical reactions what can you conclude from the graph? the reaction that causes a firework to explode requires less energy to start, and occurs more rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires less energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs more rapidly than the reaction that causes a candle to burn. mark this and return

Which law represents a balanced chemical equation?