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trasher [3.6K]
3 years ago
6

What is a star? Group of answer choices A ball of gas that reflects light from another energy source. A bright point of light vi

sible in Earth’s atmosphere. A hot ball of gas that produces energy by burning gases. A hot ball of gas that produces energy by combining atoms into heavier atoms. A hot ball of gas that produces energy by breaking apart atoms into lighter atoms.
Geography
2 answers:
lesya [120]3 years ago
8 0

Answer: A hot ball of gas that produces energy by combining atoms into heavier atoms.

A STAR can be defined as a luminous celestial body, made up of plasma (particularly hydrogen and helium) and having a spherical shape. They are small luminous dot appearing in the cloudless portion of the night sky, especially with a fixed location relative to other such dots.

They produce their energy by varieties of nuclear fusion reactions that take place in the cores of stars, that depend upon their mass and composition.

Stella [2.4K]3 years ago
7 0

Answer:

A hot ball of gas that produces energy by combining atoms into heavier atoms.

Explanation:

A star is a huge glowing ball of hot gas, mainly hydrogen and helium. Stars fuse atoms in their core to produce heat and light energy. An example of a star is the sun, which slams hydrogen atoms together under high heat and pressure resulting in a much heavier atom, a helium atom. Very heavy elements are made in massive starts when they die.

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What are the two important processes involved in lithification of sedimentary rocks?.
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The two important processes involved in lithification of sedimentary rocks are compaction and cementation.

Fresh sediment is usually loose material filled with open spaces or pores filled with air or water. Lithification serves to reduce this pore space and replace it with solid mineral material. The main processes involved in lithification are compaction and cementation.

Compaction compresses the sediment to a smaller volume by packing the sediment particles more tightly, removing water from the pore spaces, or by reducing the pressure at the sediment particle contact points. Cementation involves filling the pore spaces with solid minerals that are either deposited from solution or allow particles of existing sediment to grow into the pores.

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Based on the map, which major ecosystem of the United States is represented by the area shown in red?
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3 years ago
ILL GIVE BRANILY ANSWER identify 3 major environmental and social problems alone the ganges river in a paragraph each.
Tresset [83]

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Actually Welcome to the Concept of the History.

Environmental Problems, such as Pollution in the river are :

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=> Some of the dams being constructed along the Ganges basin will submerge substantial areas of nearby forest.

Social problems:

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2.Lack of proper discharge of religious offerings.

3.Lack of creation of eco-friendly offerings made to the river.

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3 years ago
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