Which arachnid appendages are actually poisonous fangs used to paralyze prey? A.)chelicerae
B.)tracheae
C.)pedipalps
D.)chelipeds

answer; hypnagogic sensations)

when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.

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