Number 2 is Blackland Prairies
The Blackland Prairies region is named for the deep, fertile black soils that characterize the area.
Sorry i am not answering tbis i need the points for my question i’m so sorry
<span>Well, I have personally used both A and C (provided the light frequency takes it above the work function of the condutor).
D could also work - a good conductor subject to a small voltage will carry a very large current. For instance, a flashlightg bulb filament is hot enough to emit electrons.
B is a no go.</span><span>
</span>
Greenhouse gas is your answer it is causing the greenhouse effect of trapping heat in the earth