Answer:
Radio emissions of hydrogen and OH molecules
Explanation:
Water hole is a quiet region of the electromagnetic spectrum
Answer:
the answer is A because I did this in 5th grade
Answer: A concave mirror focuses rays of light
Explanation:
Answer:
3 sec
Explanation:
T=squareroot((2*-43)/-9.81)
AC changes its direction in regular interval of time while DC is unidirectional flow. Due to many advantages of AC, it used to power our houses and offices while DC is used to power low power devices. AC is easier to transform between voltage levels, which makes high-voltage transmission more feasible
