How we can separare the mixture of salt solution with sand

Which light interaction separates white light into the color spectrum?

When a conducting plate swings through a magnetic field, which is true? a. Energy is transferred from mechanical energy to thermal energy. b. Energy is transferred from mechanical energy to the magnetic field. c.

During what month will Australia have the most amount of daylight

A gas is compressed at a constant pressure of 0.800 atm from 12.00 L to 3.00 L. In the process, 390 J of energy leaves the gas by heat. a) What is the work done on the gas? b) What is the change in its internal energy?

All except which of the following are possible results of increasing global temperatures? a. melting glaciers b. shrinking mountains c. rising sea levels d. smog episodes

An empty capacitor is connected to a 12.0 V battery and charged up. The capacitor is then disconnected from the battery, and a slab of dielectric material (dielectric constant "k" = 2.8) is inserted between the plates.

how long can you afford to stop for lunch if you can drive a steady 90 km/h on the highway and must take a 225 km trip in 210 min?

Which layer of the Sun's atmosphere is farthest from the surface of the Sun? A) troposphere B) corona C) chromosphere D) photosphere

Which of the following is a supersonic speed? Mach 0.005 Mach 0.05 Mach 0.5 Mach 5

How do you solve this equation ___ Al + ___ Na1 O1 H1 - ___Na3 Al1 O3 + __ H2