Quartzite is a coarse grained rock derived from sand stone what type of rock is quartzite
a. metamorphic
b. igneous
c. sedimentary
d. extrusive

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

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi

What would most likely happen if a person increased the amount of saturated fat in his or her diet? the person's risk of cardiovascular disease would increase. the person's risk of cardiovascular disease would decrease. the person's bad cholesterol would decrease. the person’s good cholesterol would increase.