Complete the sentence with the word "element" or "compound. O is a(n) and H2O, is a(n)

Element; compound

Explanation:

Oxygen is an element on the periodic table, but when it's combined with the element Hydrogen, it produces water, which is a compound (H2O). When two elements combine, it produces a compound.

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a. they are both space stations

happy to

pls mark as brainliest.

what is the average time it took the car to travel 0.25 meters?

⇒ 2.23 seconds

what is the average time it took the car to travel 0.50 meters?

⇒ 3.13 seconds