The probability of event A is x, and the probability of event Bis y. If the two events are independent, which of these conditions must be true? A.
P(B|A) = y.
B.
P(AB) = y
C.
P(BA) = x
D.
P(A and B) = x + y
E.
P(A and B
I
P(A)
Reset
Next

What organ is the first to receive nutrients that have been absorbed from the digestive tract?

Once an egg cell is fertilized by sperm, the cell then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood. a. becomes a fetus immediately and exits the womb b. begins to divide and implants itself in the wall of the uterus c. remains in the uterus without dividing for several months d. travels back to the ovaries until the fetus is developed

How energy move through ecosystem ?