Which substance is an example of an element? a. bronze b. copper c. methane d. rust?

The correct answer is COPPER

Explanation:

Hello! Let's solve this!

We will analyze each of the substances:

Bronze: it is an alloy of copper and tin so it is NOT an element

Copper: it is an element of the periodic table. Its symbol is Cu

Methane: is a hydrocarbon. Its molecule is CH4. It is NOT an element

Oxide: is obtained with the union of a nonmetal or a metal with oxygen, so it is NOT an element.

The correct answer is COPPER

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the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl

answer: any goods being imported from another country may be subject to issued by the federal government are tariffs

explanation:  

tariffs are a tax on anything that are imported from abroad. government use them to protect and boost their local industries and the thought is that they encourage consumers to buy local instead of importing and they will hope will protect jobs and economy in the country that implements them