The who, the animals, the kinks, and the yardbirds were all part of the .

1. dermis

2. chemical

3. urine

4. viruses

5. antibodies

try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

: -)

which fault and or fold did you find most difficult to diagram