Ence 6 S1 The Immune System
Quiz
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The first line of defense involves which structure(s)?
T-cells
0 skin
blood
O B-cells

1/10/12 it should be im gay and your hapy

Explanation:

the answer to your question is c.

if you read the house of usher you should know that the house was haunted

in 1783 cavendish was working with his hydrogen gas and found that when he burned it and condensed the vapor it was water. this was very significant since it disproved the greek theory of elements completely since water was not a simple substance but the product of two gases. it was lavoisier who hearing of the experiment gave cavendish's gas the name hydrogen ("water-producer") and added that hydrogen burned by combining with oxygen and that water was a hydrogen-oxygen combination.

explanation: