How can the rate of a reaction be increased? a. having more surface area b. Lowering the temperature c. diluting a solution d. decreasing the amount of reactants

A 7.5 kg block is placed on a table. If its bottom surface area is 0.6 m2, how much pressure dose the block excert on the tabletop? A. 367.5pa B. 122.5pa C. 73.5pa D. 226.5pa

A cosmic-ray proton in interstellar space has an energy of 59 MeV and executes a circular orbit with a radius equal to that of Mercury's orbit (5.8 * 1010 m) around the Sun.

For every action there is an equal and opposite reaction. What does this phrase mean in Physics?

The gravitational force of attraction between two objects would be increased by?

Which characteristic do all minerals have in common?

Smaller bits of rock that pass through the atmosphere and slam into Earth's surface are called a. asteroids. b. meteors. c. meteorites. d. meteoroids.

What is the conversion from 1.2 mm to m

Which sentence contains italicized words that are used as an infinitive phrase? A. Kelly went to the grocery store. B. Tom went there for some flour. C. Mark wanted to go, but not today. D. Jane parked her car behind a truck.

The difference in electric potential between a thunder cloud and the ground is 1.53 108 V. Electrons move from the ground which is at a lower potential to the cloud which is at a higher potential.

A vitamin called folic acid is very important for neural tube development, which is the development of the baby's