An anticline - it is in an arch-like shape and its oldest rocks are located at its core.
As stars get older they get cooler and you know when you light a flame the part at the bottom is hotter so its also applies to stars, the star is very hot because it is newer and has more gas so it appears blue to us
Wet land reduce the evaporation rate thus improve water quality.
The answer is
<span>B.
Federal Reserve System</span>
Basalt is not a type of sedimentary rock
