During transcription, an RNA molecule is formed A. inside the nucleus.
B. that is complementary to both strands of DNA.
C. that is identical to part of a single strand of DNA.
D. that is double-stranded.

Which best explains how a heat pump can heat a room? cold air from the house is moved through pipes, where it absorbs thermal energy. warm air from outside is pushed into the house to replace the cold air. combustion warms the air when chemical energy is transferred to thermal energy. fuel is used to move a piston, which pushes warm air into the house.

In the practice of science, this type of reasoning is used to develop explanations.

Which are evidence of seafloor spreading? check all that apply. molten material magnetic stripes continent material drilled core samples ocean water samples