Index fossils (also known as guide
fossils, indicator fossils or zone
fossils) are fossils used to define
and identify geologic periods (or
faunal stages).
An insurance company wants people to avoid risks because if the person meets with an accsident the expense of the medicines and treatment should be covered by the insurance company.
Answer:
I believe it's frictional force
Thermal energy is the answer
Answer:
a

b

c

d

Explanation:
From the question we are told that
The frequency of the radio station is 
The magnitude of the magnetic field is 
Generally the wavelength is mathematically represented as

Here c is the speed of light with value 
So

=> 
Generally the angular frequency is mathematically represented as

=> 
=> 
Generally the wave number is mathematically represented as
=> 
=> 
=> 
Generally the amplitude of the electric field at this distance from the transmitter is mathematically represented as

=> 
=> 