Juana Inez de la Cruz —— Mexico's greatest female poet.
In —— , disk technology has made record albums almost obsolete.
A leech, after —— the skin, is best removed by the application of either salt or heat.
Natural selection is defined as the process ………….. the course of evolution by preserving those traits best adapted for an organism’s survival.
—— of New York's Erie Canal greatly enhanced trade in the upstate region.
—— several universities that have excellent engineering schools.
………….. is rooted in experiments in iron and steel conducted in the nineteenth century.
—— Jane has an excellent resume, she hasn't found a job yet.
The author Mark Twain worked as a newspaper reporter in Nevada and California before moving to Hartford, Connecticut, ………….. he wrote most of his books.