A dachshund walked 20 meters in 30 minutes. Calculate the speed. Provide your
1 answer:
40 mph becaus 30minute x2 is an hour which turns 20 into 40
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Two hydrogen and two oxygen multiply for two
Answer:
- Elements are made up of only one type of atom.
- Each element has a unique chemical symbol.
- Elements can be identified by their atomic number.
Explanation:
