3. Which of the following would not induce a current in a loop of wire? a Passing a loop of wire carrying a current over the other loop of wire.

A. Holding a loop of wire carrying current and then passing the other loop over it.
B. Passing a magnet near the loop of wire.
C. Holding a magnet stationary alongside the loop of wire.

answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation:

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.

: -)

the answer is d.) homologous; have mammary glands