Well its C, cant show you the work its in my head sorry.
Answer:
Frick is pushing harder
Explanation:
if Frack weighs more and he was pushing harder they would be moving, but if Frick pushes harder then they wont move
NH4OH is the answer. Hope this helps you.
Correct answer choice is :
B) Able to travel through a vacuum.
Explanation:
Electromagnetic waves are applied to carry long/short/FM wavelength radio waves, and TV/telephone/wireless signals or services. They are also effective for transferring energy in the form of microwaves, infrared radiation, visible light, ultraviolet light, X-rays, and gamma rays. Electromagnetic waves change from mechanical waves in that they do not need a medium to generate. This means that electromagnetic waves can move not only in the air and solid matters but also in the void of space.
Read more on Brainly.com - brainly.com/question/1697984#readmore
The amplitude of wave-c is 1 meter.
The speed of all of the waves is (12meters/2sec)= 6 m/s.
The period of wave-a is 1/2 second.
