A multiple independently targetable re-entry vehicle, or MIRV, is a collection of nuclear weapons carried, usually ten or twelve warheads at a time, on a single intercontinental ballistic missile, allowing a single launched missile to strike a handful of targets, and allowing a few missiles to strike several targets redundantly.
... globules of sulfur as a waste product instead of oygen, while others further oxidize it, producing sulfates. In general, photosynthesis requires a source of hydrogen ...