Answer:
please give me brainlist and follow
Explanation:
Genetic variations that alter gene activity or protein function can introduce different traits in an organism. If a trait is advantageous and helps the individual survive and reproduce, the genetic variation is more likely to be passed to the next generation (a process known as natural selection).
Inches are the unit of measurements on a disk
Answer:
check to see if you have headphones or snything plug in to it that might take the sound if not try restarting your computer, or your speakers are broken with water damage or over use
Explanation:
