Which statement best describes a scientific question? It must be based on a hypothesis.
It must be supported by data.
It must be testable.
It must be original

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.

Which two molecules generated by the krebs cycle pass their high-energy electrons to the electron transport chain? a. nadh b. c6h12o6 c. fadh2 d. nad+

30 points why are most volcanoes found around the ring of fire? this is a location where there are many hot spots. this is a location of numerous plate boundaries. this is a location within an active oceanic plate. this is a location of fast moving continental crust.