It is not possible for a heat engine to be 100% efficient. The Laws of Thermodynamics explicitly explains that you can never transfer heat perfectly simply because during the flow of heat (either at low or high temperature) some of the initial input heat have been transformed into work.
b. the height of high tides varies with the phases of the moon.
c. spring tides and neap tides affect the phases of the moon.
d. the moon revolves around the Earth every 14 days.
Please select the best answer from the choices provided
Answer:
D
Explanation:
Because neap and spring tides happen twice a month during new moon and full moon .It occurs twice in a month which is 14 days
Answer:
i think it is d
Explanation:
b. biosphere
c. asthenosphere
d. magnetosphere
a charge of -2
a charge of +4
O a charge of +1
Answer:
a charge of +4
that's how I could understand