Remote sensing satellites
Answer:
i think its d....not sure
How co-evolution of symbiotic prokaryotes with eukaryotes similar and different to co-evolution in parasite-host systems is that <span>co existing has provided a sense of advantage with in the environment. One example of this are the parasites. There are different kinds of symbiotic relationships and this shows how similar and different co-evolution is. Hope this helps.</span>
X^2 - 2x - 8 = 0
(x - 4)(x + 2) = 0
x = 4 or x = -2
The positive root is x = 4