Students plan to use several rain gauges to compare average monthly rainfal, on Virginia's Coastal Plain and Piedmont regions. Which of these variables
should be manipulated?

A .Height of the gauge
B. Brand of the gauge
C. Location of the gauge
D. Size of the gauge

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17

Can someone me with 6 to 10 plz this is for masteries test.

Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.