Answer:
Explanation:
The force of attraction between 2 masses.
Answer:
Two equal and opposite parallel forces not acting along the same line, form a couple. A couple is always needed to produce the rotation.
For example, turning a key in a lock and turning a steering wheel.
Jack Kilby invented the circuit
Answer:
oxygen is used up is the answer
Explanation:
These vaporized molecules are drawn up into the flame, where they react with oxygen from the air to create heat, light, water vapor (H2O) and carbon dioxide (CO2).
The letter i is used to signify that a number is an imaginary number. It stand for the square root of negative one.
