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const2013 [10]
3 years ago
9

How does volvox differ from other protists

Chemistry
1 answer:
Dovator [93]3 years ago
7 0
It differs because it is a unicellular plant. Many scientists claim that Volvoxes are protists while many claim that they are plants, and protists are not plants.
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How does nuclear fission of Uranium - 234 result in electricity being generated?
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Answer:

See explanation

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The use of Uranium - 234 to generate electricity depends on a fission reaction. The uranium nuclide is bombarded by fast moving neutrons leading to a chain reaction. Control rods and moderators are used to keep the nuclear reaction under control.

As the nuclear reaction proceeds, heat is generated and steam is consequently produced. This steam is used to turn a turbine and electricity is thereby generated.

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Which of the following statements describes a difference between a chemical change and a physical change in a substance
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A physical change is one that alters the physical properties of matter (particularly the form and state).

A chemical change is one in which new kind of matter is formed. It is always accompanied by energy changes (evolution or absorption of energy in form of heat or light or both).

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