Explain how you could separe a mixture of sand and salt

Convection can occur in which two substances? a) wood and air b) ice and wood c) water and ice d) air and water

If the potential across two parallel plates, separated by 4.0 cm, is 15.0 V, what is the electric field strength in volts per meter?

Which system of measurement does the u. s. use? the metric system the si system the english system us customary system

In which situation is maximum work considered to be done by a force? A. The angle between the force and displacement is 180º. ОВ. The angle between the force and displacement is 90°. C. The angle between the force and displacement is 60°. D.

10. How is the mass number calculated for an element? A. The difference between the mass and the protons B. The sum of protons and neutrons C. The product of neutrons and protons D. There is no calculation.

If a decision was made to increase agriculture fertilizer application, which would be an example of a negative trade-off based on this decision? A) excessive nutrients B) farm profits increase C) increase crop production D) consumer prices decrease

How are all mobile phones different from fixed telephones in the way that they transmit and receive voice messages?

Can i tank of oxygen gas ever be half empty

Marcia ran at a speed of 3.50 meters per second. How fast was she running in kilometers per hour?

What is the gravitational force related to the distance between two objects?