Answer:
long-term exposure to air pollution can contribute to the development of some lung conditions
It is extremely labor intensive and costly. :-(
Answer:
A law is subject to change as new evidence is discovered
Answer:
Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population.
Answer: The correct answer is -
Eubacteria and Archaebacteria.
As per the information in the question, scientist finds a new life form and determines that it contains no nuclei.
This indicates that the new life form is a prokaryote.
Prokaryotes are the organisms that are devoid of nucleus and do not contain any membrane bound subcellular compartments (cell organelles).
Archaebacteria (primitive forms of bacteria) and Eubacteria are the two groups of prokaryotes.
Thus, Eubacteria and Archaebacteria is the right answer.