The first stage is ignited at launch and burns through the powered ascent until its propellants are exhausted.
There are many ocean currents that take warm water up to London, thus warming the air there.
I would have to say maya they <span>spread across what is now Mexico and South America, 200 - 900CE, and developed glyphic writing, as well as using advanced mathematics and astronomy to formulate two distinct calendars</span>
