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Salsk061 [2.6K]
3 years ago
12

The hardest known natural material is _____.

Physics
2 answers:
VMariaS [17]3 years ago
8 0
Diamond is the hardest naturally<span> occurring </span>substance<span> found on Earth. </span>
I am Lyosha [343]3 years ago
4 0

Answer:

Diamond is the hardest naturally occurring substance found on Earth.because its sharp and heavy + hard

Explanation:

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The correct answer is helium nucleus. An alpha particle has a two neutrons and protons that formed together into a particle which also happens to be very identical to the helium nucleus. However, the helium particles that are being produced by particle accelerator are less to be referred as an alpha particle.
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Which of the following represents the greatest risk factor for a stroke
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The greatest risk factor, well that depends because their is quite a few risk factors. it depends where the person is having the stroke. so say someone was having a stroke in the library then you would have to move everything out of the way so they cant hurt themselves and call the ambulance straight away and tell them the signs the person is showing to tell you their having a stroke e.g. face dropping, slowed speech and cant hold their arm up in the air on their own.
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