Which of the following forms of electromagnetic waves is used mostly in communication?

a) x-rays

b) infrared

c) radio waves

d) gamma rays

5.00 kg of liquid water is heated to 100.0 °C in a closed system. At this temperature, the density of liquid water is 958 kg/m3. The pressure is maintained at atmospheric pressure of 1.01 x 105 Pa.

Problem 11.010 IS A rigid tank contains 1 kg of oxygen (O2) at p1 = 30 bar, T1 = 180 K. The gas is cooled until the temperature drops to 150 K. Determine the volume of the tank, in m3, and the final pressure, in bar, using the:

What is the term when a tennis game is tied at 40-40?

Which would be the best example to demonstrate the principle of conservation of energy? A) a stone is crushed B) light bends around a sharp edge C) a pendulum swings back and forth D) a balloon inflates when air is blown into it

How do u solve How long will it take a car to travel one lap around a 5km long circuit if it is travelling at a average speed of 180km/h?

Juan is interested in finding out whether hummingbirds are attracted to some flowers more than others. In what order should Juan perform the steps of his experiment?

Will make Brainlest! <3 Metals are considered to be good conductors of heat. How do the specific heat values indicate this?

Which example identifies a change in motion that produces acceleration? choices are: 1. a speed skater moving at a constant speed on a straight track 2. a ball moving at a constant speed around a circular track 3.

Which of the following diagnostic procedures uses ultrasound?

Why is it easier to read black text on a white background than to read green text of any light color?