Three types of chemical bonds are important in human physiology, because they hold together substances that are used by the body for critical aspects of homeostasis, signaling, and energy production, to name just a few important processes. These are ionic bonds, covalent bonds, and hydrogen bonds.

Explanation:

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2 years ago

Which of the gases in air are compounds? Explain how you can tell.

Eduardwww [97]

Answer:

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The air in the atmosphere consists of nitrogen, oxygen, which is the life-sustaining substance for animals and humans, carbon dioxide, water vapour and small amounts of other elements (argon, neon, etc.). Higher in the atmosphere air also contains ozone, helium and hydrogen.

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3 years ago

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If the black dot is sound, which direction is the sound in the picture moving? *

Tema [17]

Answer:

Left or up, either one of those

Explanation:

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3 years ago

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How many electrons does phosphorous (P) need to gain to have a stable outer electron level?