What is the mole fraction of o2 in the mixture? atm what is the mole fraction of ar in the mixture? atm.

Iqualified for the horatio alger scholarship. it is awarded based on financial need, but students must have a 2.0 gpa to apply. to qualify, students must pursue a degree at a four-year college.

What are the three stages of volcanic activity? a. active, magma, lava c. extinct, eruption, explosive b. eruption, quiet, explosive d. active, dormant, extinct

The smokey mountains have over 2,100 miles of rushing mountain streams and rivers that flow through the park. in each mile lives a diverse community of native fish, amphibians, insects, and larvae, some of which are found only in the southern appalachians. park managers and scientific researchers test many factors such as fish populations, the watersheds and water tests to determine a) too many lizards are present b) the water quality of the stream c) rainwater is running into local streams d) if visitors to the park are overstaying their welcome