Answer:
a cell membrane is a biological membrane that separates in interior of all cells from the outside environment which protects the cell from its environment the cell membrane consists of lipid and Blair including cholesterol's and that sit between phoepholipids to maintain their fluidity at various temperatures
Explanation:
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Quasar is a star like object that is very bright and distant.
Quasars are massive, bright, and most distant known celestial objects that release high amounts of energy in the form of electromagnetic radiation, which usually has a star-like image in a telescope. Quasars can only be found in galaxies that have super-massive black holes (black holes that have billions of times of solar masses). In quasars, the black holes are enclosed by a gaseous accretion disk.
3.) the circulatory system
Answer:
Improving drainage in the cities by ensuring that drainage channels are large enough to handle flood waters and that they are never blocked. Clogged drainages impede flow of water resulting to a rise in water levels in the city.
Ensure proper enforcement of laws that ensure that people do not settle on wetlands and riparian land. Wetlands are natural drainages for water and settling on them is akin to blocking drainages in a built environment.
Constructing flood gates and flood walls to redirect floodwaters away from populated areas. This is especially implemented in built environments that are in low-lying lands and prone to flooding.
Answer:
He discovered Propane gas
