Answer:
oxygen is an element and water is a compound
Explanation:
oxygen is made up of two atoms and water is made up of two elements
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Based on my First Aid classes the answer is D. All of the above.
If someone turns unconscious, you'd have to perform CPR and call an emergency service as soon as possible.
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By soil parent material type is understoodunconsolidated deposits (regolith) found on the bedrock. Most Soil parent materials are made up from weathered and disintegrated rock material.
The Answer to this question is b
The precambrian era makes up about 90% of the earths history, but there was little to no living organisms at the time other than microscopic ones. The first eukaryotes were found in the cambrian period after the precambrian period, not only that but at the end of the precambrian era in the Proterozoic era there was a mass extinction of about 70-80% of all living organisms
