Which activity can be termed as an economic activity?

Any liquid or material that is likely to catch fire should be kept away from a a. balance b. test tube c. chemicals d. hot plate Pretty certain it is D.

Why are gases good at transferring heat through convection?

The primary neurotransmitter at the neuromuscular junction is

If a 2-kg ball is thrown through the air at 20 m/s what is the momentum of the ball?

A body is a particular amount of matter. it can be a solid, liquid, or gas. it cam be described as existing in a. time and space b. location and movement c. motion and force d. size and shape

Mrs. Perez added a room temperature copper cube and an aluminum cube she just removed from the freezer to a beaker of boiling water. She left thw cubes in the water for three hours.

A spherical, non-conducting shell of inner radius r1 = 10 cm and outer radius r2 = 15 cm carries a total charge Q = 15 μC distributed uniformly throughout its volume. What is the electric field at a distance r = 12 cm from the center of the shell?

If two cars are identical except for the size of their engines, how will that affect their performance on the highway?

A solution of phosphoric acid was made by dissolving 10.0 g H3PO4 in 100.0 mL water. The resulting volume was 104 mL. Calculate the density, mole fraction, molarity, and molality of the solution. Assume water has a density of 1.00 g/cm3.

A basketball player who is 2.00 m tall is standing on the floor 10.0 m from the basket. If he shoots the ball at 40 degree angle above the horizontal, at what initial speed must he throw so that it goes through the hoop without striking the