If you notice that there is a fire in a science lab, the first thing you should do is .
A. tell your teacher
B. pull the fire alarm
C. get the fire extinguisher
D. exit the room immediately

I would say D. Exit the room immediately because the fire can spread if u wait to pull the fire alarm and such idk lol.

Explanation:

Just because

what have scientists found to be the most efficient and effective way to insert new sequences into an individual? a-scientists have created genetically altered foods that release dna during digestion. b-scientists use viruses to insert specific gene sequences. c-scientists irradiate genes so that they can be absorbed through the skin.

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;