Answer:
<h2>
B. Switch</h2>
Explanation:
<u>A device designed to open or close a circuit under controlled conditions is called a switch. The terms “open” and “closed” refer to switches as well as entire circuits. An open switch is one without continuity: current cannot flow through it.</u>
<h2><u>
Hope this helps! Please consider marking brainliest!! </u></h2>
Water cycle, evaporation, condensation, and freezing
Answer:
nothing interest, i just hate that part i love only the calculations
1. First blank is A. Conductors
Second blank is D. Insulators
2. C. Heat
Answer:
Part a)

Part b)

Explanation:
Diameter of the circle = 24 ft
Diameter = 731.52 cm = 7.3152 m
now the horse complete 144 trips in one hour
so time to complete one trip is given as


now the speed of the horse is given as



Part a)
Now we know that the power is defined as rate of work done
it is given as




Part b)
Work done to climb up to 3 m height is given by

now we have




now we know that 1 HP = 746 Watt
so we have
