What term describes a pure substance that is made up of only one type of atom? matter, rock, compound or element?

Question 1 of 102 pointswhich best describes adaptive radiation? oa. geographical isolation caused by an adaptationob. biodiversity resulting from few ancestorsoc. a decrease in the rate of speciationd. adaptations that organisms teach each other

Nh3 +02-no + h20 is unbalanced what is the balanced equation

What was the impact of the concordat of worms?