I believe the answer should be fossil fuels, or more specifically, coal.
what are you talking about
1.) is B. caused by a virus. 2.) is C. Chronic. 3.) is C. Caused by a virus. 4.) is E. SARS 5.) is B. Many Antiseptic cleaners.
A student learns through the year, what this means is it’s ok for you not to get something new right away. Trial and Error is always important for a person to go through. If you fail at something you try harder and hopefully prevail.
(Hope this helped)
