A circuit has an aaa battery of 1.5 V, produces a current of 2 amps. What resistance needs to be included to prevent a short circuit? *

How have the greenhouse gasses increased from the year 2000 to 2018

What type of matter is made of only one kind of atom

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.