Answer:
d.
Explanation:
Based on the scenario being described within the question it can be said that this tissue would most likely come from tissue that separates skin from underlying muscle. Also known as the superficial fascia, this is the main coating beneath the skin that is mainly made up of different amount of fat, which also surrounds the bodies organs.
Demonstrative pronoun is the answer.
D
Because most air pollution is caused by the burning of fossil fuels burned in the home