Answer:magnetic and electric fields
Explanation:
Answer:
Incident solar radiation.
Explanation:
Isolation is defined as the solar radiation that reaches surface of the earth. Isolation term is derived from the word solar radiation. It is mainly applied to radiation which is first arriving earth atmosphere, and then second arriving earth surface.
Isolation is measured by the amount of incoming solar energy received by the earth per square centimeter per minute. Isolation affects some factors such as temperature, the more the isolation cause higher the temperature.

So, according to the question:
distance = 90 miles
time = 1h 45min + 15 min + 1h = 3h

The magnitude of e.m.f induced in the loop when t = 2 s is 31 Volts.
<h3>emf induced in the loop</h3>
The magnitude of e.m.f induced in the loop is calculated as follows;
emf = dФ/dt
Ф = 6t² + 7t
dФ/dt = 12t + 7
at t = 2 seconds
emf = dФ/dt = 12(2) + 7 = 31 V
Thus, the magnitude of e.m.f induced in the loop when t = 2 s is 31 Volts.
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Answer:
A. positively charged object and a negatively charged object.