Answer:
Transport proteins allows only enzymes to pass through the membrane
Explanation:
Answer:
helps ecosystem
Explanation:
provides oxygen, clear water and air, water treatment and the list goes on
This invention was a commercial failure. Edison resolved that in the future he would only invent things that he was certain the public would want. ... This gave Edison the money he needed to set up his first small laboratory and manufacturing facility in Newark, New Jersey in 1871.
found at: https://www.nps.gov/edis/learn/historyculture/edison-biography.htm
The answer is D) Stationary
(Not a 100% on this but, I'm like 90)
