Answer:
I think the answer is D.)
Explanation:
If it means something needs to melt into liquid i would have gone with B.) or C.) but since it doesn't specifiy. I thought D.) since all you have to do is heat it and it melts or boils.
Answer:
169/4 ft/min.
Explanation:
See the attached picture.
Answer:
The Doppler shift may be helpful to determine the relative speed of an object by bouncing a wave (usually a radar wave) off the object and measuring the shift in the frequency of the wave.
Explanation:
Doppler shift helps to overcome a visual illusion block out irrelevant noises, locate sounds and see an object in very dim light by determining the relative speed of an object by bouncing a wave
<span>The cold protective response may be activated when a person's face is submerged in water that is less than
68 degrees fahrenheit. </span>When a person suddenly drowns in a cold water, immediate
numbness occurs which can cause shock and panic. And because you are shocked
with what just happened, you feel that everything is going numb which can
result to muscle strain and ineptness of the joint. When a person tries to
grasp for air, it is water that comes in not air because everything is going
numb. After a person feels numb, he will suffer for hypothermia. If nobody can
rescue that person, he may become out cold and can die.
