Considering Conservation of Momentum, the momentum

before and after must remain the same:
so:
before:
Answer:There are institutional broadcast stations in the range that transmit coded time signals to radio clocks
Explanation:
C) because a new substance is formed
B) not sure but might be because the chemical properties of the substance has changed
Answer:
D air
Explanation:
it is not found on the periodic table
brainliest plsssssssssssssssss
I believe they are:
Pin Insulators
Suspension Insulators
Strain Insulators
If thats not enough theres also insulators commonly used of lower voltage which are:
Stay
Shackle