All of the following are ways that neutrophils can directly or indirectly kill cells except .

MACs, or membrane attack complexes, are used in the complement system.

Explanation:

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a chair, a bed, and a toothbrush

explanation:

i was told this before by a teacher, so yeah

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.