Which of the following gems is commonly used in creating lasers?
a.
rubies
c.
emeralds
b.
quartz
d.
diamonds

Question 10 (yes/no worth 5 points) apply strategies for self-improvement based on individual strengths and needs. i will learn spanish. a. yes b.no

Augustus of prima porta connects to the subtheme identity performance cultures power

Among the following environmental factors, which does not have a long-term impact on the composition of a region's soil? a. kinds of crops grown b. types of fungi present c. topography of the landscape d. variety of species of mammals e. number of freezes occurring annually