Which shows that the results of an experiment are reliable? A. The experiment creates ideas for new experiments.
B. The experiment can be repeated with the same results.
C. The experiment uses a very simple procedure.
D. The experiment supports the hypothesis.

Q: a: in sexually reproducing animals, once fertilization of the egg takes place, the exists as a single cell until cell division begins

Does any one know what blood tastes like

Abird flies by moving its wings up and down. which two systems are most directly responsible for the movement of a bird's wings? a. skeletal and muscular systems b. respiratory and muscular systems c. skeletal and digestive systems d. respiratory and digestive systems