Earths inner core is

A force of attraction would exist between A. a positively charged object and a negatively charged object. OB. two negatively charged objects C. a negatively charged object and a neutral object. OD. two positively charged objects.

If a car is traveling westward with a constant velocity of 20m/s, what is the net force acting on the car

Cardiovascular Activities all have what 4 characteristics

When a covalent bond forms between two atoms, how many atoms have a full outer shell of electrons? A) one B) two C) zero D) It depends on what the atoms are.

Describe what happens when a muscle contracts.

A shark travels with an average velocity of 12 m/s s. How long (time) would it take the shark to swim 42 m at that velocity

When a high-mass main sequence star runs out of both hydrogen and helium in its core, the core begins to fuse

Is there a definite end to our atmosphere?

Based on the second law of thermodynamics, how would you expect a system to change over time? A. It would become more organized B. Its randomness would increase C. It would become more efficient D. Its energy would increase

Susan works 8 hours a day and makes $7.00 per hour. How much money does Susan earn in one week if she works 5 days per week?