Which words best describe the mood of this passage? calm and cheerful curious and interested fearful and timid anxious and excited.

How did different parts of the united states feel about slavery

The different forms of a gene for a given trait are called .

Ateacher attaches a ball to a meter long string and whirls it around in a horizontal circle at constant speed. the teacher explains that the string is what makes the ball go in a circle. why is the string necessary? a) the string is needed to apply a torque to the ball. b) the string is needed to push on the ball to get it up to speed. c) circle motion requires an inertia which is provided by the string. d) circle motion requires a force to give it a centripetal acceleratio