The liquid that contains male gametes and secretions from glands of the human male reproductive system is known as
a. sperm
b. testosterone
c. progesterone
d. semen

Which statement best describes how the loudness of the sound affects the high-pressure region created by the sound wave? a. a louder sound has no effect on the pressure created. b. a louder sound means a high-pressure region that is higher. c. a louder sound means a high-pressure region that is not as high.

Kudzu vines grow by climbing and wrapping around trees. trees covered by kudzu can die because they are starved of sunlight. what type of relationship exists between the trees and the kudzu growing on them?

At 47 months, amalia is not only able to make circles but also able to draw a girl and label her parts, such as legs, arms, eyes, and nose. this example shows that amalia has developed motor coordination that is her peers at this age.