Answer:
Carbon, hydrogen, Sulphur, nitrogen, oxygen and phosphorus
Explanation:
Carbon, oxygen and hydrogen are the major components of organic compounds which make up our food. Nitrogen is an essential component of proteins. Sulphur and phosphorous are needed for various body functions.
Answer:
Hydrogen bonds
Explanation:
Water is a polar molecule containing hydrogen.
Answer: electromagnetic (light) energy and thermal energy
Explanation:
<em>For example,</em>
<em> consider a mountain whose summit is 5,000 feet (1,500 m) in elevation, but somewhere on the way up, the trail goes back down 250 feet (76 m). ... </em>
<em>If one hikes over five hills of 100 vertical feet each, the cumulative elevation gain is 5 × (100 feet (30 m)) = 500 feet (150 m).</em>
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