Answer:
three.
Explanation:
Types of Galaxies
Astronomers classify galaxies into three major categories: elliptical, spiral and irregular.
Answer:
In physical geography, tundra is a type of biome where the tree growth is hindered by low temperatures and short growing seasons. The term tundra comes through Russian (tûndra) from the Kildin meaning "uplands", "treeless mountain tract".[1] Tundra vegetation is composed of dwarf shrubs, sedges and grasses, mosses, and lichens. Scattered trees grow in some tundra regions. The ecotone (or ecological boundary region) between the tundra and the forest is known as the tree line or timberline. The tundra soil is rich in nitrogen and phosphorus.[2]
Answer=
Nuclear energy now provides about 10% of the world's electricity from about 440 power reactors. Nuclear is the world's second largest source of low-carbon power (29% of the total in 2018). Over 50 countries utilise nuclear energy in about 220 research reactors.
B, government is the answer
