Geocentric theory:

a. was initially rejected

b. was in contradiction to the ideas of Ptolemy

c. stated that the sun revolved around the earth

d. all of the above

What quantity can be measured by putting a solid object into a liquid in a graduated cylinder?

How many additional valence electrons does fluorine need to have a full valence shell? A. One B. Two C. Eight D. Seven

Explain how DNA sequences can provide evidence of evolution.

Why do planetary scientists hypothesize that the moon formed with a molten surface

This diagram of the first right-hand rule relates which two quantities? A. current (thumb) to magnetic field (fingers) B. magnetic field (thumb) to current (fingers) C. current (thumb) to force (fingers) D. force (thumb) to current (fingers)

A stimulus with a low predictive value means that

In otherwise empty space is a system of 4 particles, each of the same mass. The accelerations of the particles are as follows: a1 = ˆi a a2 = ˆj a 2 a3 = - (ˆi + ˆj) (2 a) a4 = (ˆi - ˆj) (3 a), where a > 0 is a constant.

How many electrons does a neutral atom of oxygen-18 have? 8 O 16.00 A. 8 B. 10 C. 18 D. 16

What is average velocity?

A bicycle moves from rest to 5 m/s in 5 sec. what is the acceleration of the bicycle