In a controlled experiment, what term is used to describe the many factors that might be different between the experimental and control groups? A. Accuracy B. Variable C. Instruments D sources of error

Which nonforfeiture option provides coverage for the longest period of time?

Cartilage is part of the skeletal system. True False

A black guinea pig crossed with an albino guinea pig produces 12 black offspring. when the albino is crossed with a second black one, 7 blacks and 5 albinos are obtained.

Which part of the plant body is comparable to the blood vessels of the animal body? A. Roots B. Xylem C. Leaves

Which will form as ionic bond A two oppositely-changed ions B two negative ions C two oxygen atoms D any two neutral atom

Which pair of events would directly result in a constant number of chromosomes in body cells from one generation to the next in sexually reproducing species?

The ability of the skin to synthesize vitamin d is decreased by

According to cell theory, A) all multicellular organisms are composed of prokaryotic cells. B) only cells like the eukaryote can carry out the functions of life. C) single celled organisms like these are only capable of asexual reproduction.

What is refraction? what does it mean when we say that light is refracted as it enters the eye?

What produces egg and sperms cells during the life cycle of a plant