How do i make a bomb but chill its for school like a bottle rocket

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

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

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.