<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
An earthquake. It was a 7.0 Mw earthquake that happened January 12, 2010.
Answer:
Contitents move due to convection,
Seafloor spreading,
Matching fossils were found on different continents,
Rock types and mountain belts match continents from far away,
Movement of continents causes land features,
and The continents appear to fit like a puzzle.
All are true except for DRASITIC CLIMATE CHANGE.
They allow magma to burst between cracks, and they cause blocks of rock to seperate and form new plates.