Can I plant calla lilies outside?
Space & NavigationCalla lilies are cold hardy and can be grown outdoors year-round, but you may keep them for several years as houseplants before they become too large. Over time, their leaves turn yellow and die back, making the plants look leggy. Do calla lilies come back every year? Many people treat their gift calla lilies as
What is spatial practice Lefebvre?
Space & NavigationSpatial Practice: Perceived space In his characteristic, if not confusing prose, Lefebvre describes this concept as: The spatial practice of a society secretes that space; it propounds and presupposes it, in a dialectical interaction; it produces it slowly and surely as it masters and appropriates it. What is Lefebvre spatial triad? The spatial Triad is
What is the functions minimum or maximum value?
Space & NavigationFinding max/min: There are two ways to find the absolute maximum/minimum value for f(x) = ax2 + bx + c: Put the quadratic in standard form f(x) = a(x − h)2 + k, and the absolute maximum/minimum value is k and it occurs at x = h. If a > 0, then the parabola opens
Has anything been found on the moon?
Space & NavigationBesides the 2019 Chinese rover Yutu-2, the only artificial objects on the Moon that are still in use are the retroreflectors for the lunar laser ranging experiments left there by the Apollo 11, 14, and 15 astronauts, and by the Soviet Union’s Lunokhod 1 and Lunokhod 2 missions. What has been discovered on the Moon?
What did Benjamin Banneker Discover?
Space & NavigationIn 1752, Banneker garnered public acclaim by building a clock entirely out of wood. The clock, believed to be the first built in America, kept precise time for decades. In 1789, Banneker began making astronomical calculations that enabled him to successfully forecast a solar eclipse. What did Banneker Benjamin invent? In 1753, Banneker created his
What makes a sun?
Space & NavigationThe Sun is a huge, glowing sphere of hot gas. Most of this gas is hydrogen (about 70%) and helium (about 28%). Carbon, nitrogen and oxygen make up 1.5% and the other 0.5% is made up of small amounts of many other elements such as neon, iron, silicon, magnesium and sulfur. How are suns created?