Answer:
its true methane is used as a fuel gas
Explanation:
Answer: When a substance is pure, it is composed of one type of molecule. For example, table salt is only composed of (more or less) salt molecules, while seawater has water and salt molecules. A more complicated example of a non - pure substance is soil. It has many different types of nutrients and compounds.
Answer:
Evaporation
Explanation:
Evaporation is the certain process that requires water to gain heat energy from the environment.
Answer:
the foot is an intricate part of the body, consisting of 26 bones, 33 joints, 107 ligaments and 19 muscles
Explanation:
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