Large molecules such as glucose move across cell membranes through special protien channels during

Some gamma ray bursts are hypothesized to come from mergers of neutron stars or black holes. if this hypothesis is correct, what else should we in principle be able to detect from such mergers? a. gravitiational waves b. x-ray bursts c. significant disruption of gas thousands of light-years away in the surrounding galaxy d. an "afterglow" of bright visible light, lasting for weeks

Which of the following physical characteristics best explains the climate of the area that is circled in black on the climate map above?

What scientist first formally propose that the position of earths continents change over time the continental drift hypothesis