Bad gases in the air, like the smoke from cars. the trees filter that.
<span>x^2+8x-20=0
Factor the left side of the equation
</span><span><span>(x−2)</span><span>(x+10)</span></span>=<span>0
</span>
Set the factors to both equal the number 0
<span><span>x−2</span>=<span><span><span>0
and/or
</span>x</span>+10</span></span>=<span>0
</span>x = 2 and/or x = -10
Where, I'm unsure, but when, I think I know. There is a theory that the first asteroid to hit Earth was actually a comet. It wiped out the dinosaurs.
<span>Hanga Roa is the capital of Eastern Island </span>
Answer:
River Thames Rhine Elba Laura and Senna cut across Kemble, Oxford, Reading, Slough, London, and Southend.
Explanation:
Look at map. Hope this helped <3 ! Brainliest please? :)