Answer:Igneous rocks are made from cooling of lava or magma.
In a traffic circle, roundabout signs control the traffic. I hope this helps. :)
Color blindness is X linked trait and is carried on X chromosome so when a <span> A mother with normal color vision and a color blind father have a color blind daughter the offspring will be
</span><span>. Some of their sons can have normal color vision
</span>because male is XY and female XX
so i conclude option B is correct<span />
