Sedimentary rocks form
a. layers
b. from heat and pressure
c. from cooling magma
d. from foliation

Wht happens as electrons in the electron transport chain release their energy

Which of these is not a function of some membrane proteins ? a.allowing polar molecules to enter the cell b.recognizing other types of cells c.receiving messeges from other cells b.carrying messages to oher cells

During the winter, this species of fox has white fur, but in the summer, it has brown fur. what environmental change may have lead to this fox's fur color? snow cover increase in sun's brightness volcanic eruption global warming