Which of the following contain only prokaryotes?
a) domains bacteria and eukarya
b) domains archaea and bacteria
c) only domany eukarya
d) domains archaea and eukarya

The theories on the expansion of galaxies maybe re-examined to strengthen science should not be tested to strengthen science will weaken scientific knowledge if they change will become laws if they don't change

What is the farthest destination to date for a human spaceflight mission?

How dose plate tectonics effect climate