For a planet orbiting the sun, rprp is the distance from the sun to the perihelion and rara is the distance from the sun to the aphelion. What is a planet’s orbital eccentricity if rp is equal to 0.45ra0.45ra? A. 2.64
B. 0.38
C. 0.55
D. 1.45

What do all macromolecules have in common with each other? oa. they all are formed from the same elements. ob. they all have major roles in cell membranesoc. they all act as catalysts in the body. od. they all have peptide bonds between carbon atoms.

Tides that occur during the new and full moons

Why is it to call the calvin cycle the light independent reactions vs the dark reactions