A exoskeleton is a rigid external covering for the body in some invertebrate animals, especially arthropods, providing both support and protection. Insects, crustaceans, and many other invertebrates have a hard outer case called an exoskeleton. This protects them against blows and predators, and keeps them from drying out
Chemistry, because constructing early forms of glass and mortar for setting bricks would require some sort of understanding. The other choices also aren’t very related, you don’t need astronomy for making glass or anatomy for making mortar.
Answer:
i this is A plz help me too
Explanation:
Answer: b. Spurious
Explanation:
Spurious relationship is a mathematical relationship in which two or more variables have something in common but not occasionally related due to the presence of a third factor.
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