Answer:
The answer is D. A Vacumn
Explanation:
Sound cannot travel through a vacuum. A vacuum is an area without any air, like space. So sound cannot travel through space because there is no matter for the vibrations to work in.
Answer: false
Explanation: the longer the period, the less thef= frequency
Answer:
the rate of turn at any airspeed is dependent upon the horizontal lift component
A resistor DECREASES the speed of current as a resistors job is to resist the flow of electrons
The ice cubes were floating in water because they are less dense than liquid water. When water is frozen, a structure that is crystalline is formed that is held by hydrogen bonding. Due to the orientation of these bonds, the moleules would push far away from each other causing it to have a bigger volume and a lower density.