A mineral that forms from cool solutions is 1-feldspar.
2-halite.
3-diamond.
4-copper.

20. in humans, freckles are dominant to no freckles. trey has no freckles and his wife anna grace has freckles, but her dad doesn't. they want to know what percentage of their kids would look like trey. show a punnett square to support your answer.

Methane gas created by a cows flatulence especially in a large herd is a greenhouse gas. true or false.

Which line in the graph above best illustrates an effect of the carbon dioxide level in the blood on breathing rate before, during and after a period of exercise? 1.b,2.c,3.a,4.d