I'll mark which of the following displays objects that are generally smaller than a planet?

a. stars and comets
b. astreoids, comets, and meteors
c. asteroids, meteors, and stars
d. stars, comets, and asteroids

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

What advantages does a pedigree have over a written passage?

List five ways we are indebted to phytoplankton