-2. This is because it is gaining electrons. Electrons are negative. Therefore it is a negative charge.
Answer:
Sound waves are produced when something vibrates.
Explanation:
The vibrating body causes the medium (water, air, etc.) Vibrations in air are called traveling longitudinal waves, which we can hear. Sound waves consist of areas of high and low pressure called compressions and rarefactions, respectively.
Sorry if this if wrong
because as the distance increases the gravitational force decreases so the weight of a body decreases
The process is denitrification