Answer:
Water has a high surface tension because the water molecules on the surface are pulled together by strong hydrogen bonds.
Bauxite is considered an ore because of its hardness and it can be used as a metal.
Answer:
Less direct sunlight means that there is less concentration of direct solar rays. This would influence temperature and would ultimately create weather, and since this pattern continues of switching direct ray latitudes, this would create climate zones all over the Earth, and similar ones with similar latitude and terrain.
Explanation:
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Answer: E. A B, and C only
Explanation:
An exoskeleton is a hard, rigid, protective external structure that supports and protects the body of the animal from the damage caused either by injury or by predator. It supports and protects the inner organs and structures, acts as a barrier against desiccation. These act as a point of attachment of the muscles which provides a structural framework to the body. The exoskeleton is waterproof hence, protects the organism from being affected by the external water. It can be seen in the form of shells or scales, nails, hooves and other structures.
