Which type of transport requires energy to move molecules from an area of lower
concentration to an area of higher concentration?

Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating

You see a white marker with an orange circle and black lettering. what does this marker tell you

What's the waste product of electrons and pyruvate combining in fermentation?