ASAP- discovery of a series of fossils of human-like skulls, all slightly different from each other and from us, dating from throughout the past 4 million years indicates what process?
A. Punctuated equilibrium
B. Artificial selection
C. Gradualism
D. Disruptive selection

Surrounded by microtubules, located near the nucleus. (don't try to google it) (give answer only if u know)

Each pair of clay balls represents two planetesimals. if each planetesimal is composed of the same material and is separated he the same distance, which pair experiences the frayed gravitational attraction?

Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a.earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c.earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.