When did people first know about archaebacteria? A. 1999

B. 1988

C. 1977

D. 1966

1977 is when people first knew about archaebacteria

it was actually discovered in 1922

they didnt know what it actually was until 1977.

C.1977

Explanation:

if you look up in the top right corner you'll see your current profile picture, click than click "view profile" you'll be able to change it there.

yes

no

blue is scattered more than other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time.