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Shalnov [3]
3 years ago
11

After two elements react to completion in a closed container, the ratio of their masses in the container will be the same as bef

ore the reaction. Which law describes this principle
Social Studies
1 answer:
Alexandra [31]3 years ago
3 0

Answer:

law of conservation of mass

Explanation:

Law of conservation of mass -

This law was given by the father of chemistry ,  Antoine Laurent Lavoisier .

According to this law ,

The mass of the system remains constant , i.e. , mass can neither be created nor be destroyed , is known as the law of conservation of mass.

In a chemical reaction , the mass of the reactant always equalizes with the mass of the product.

Hence , from the given information of the question ,

The correct term is the law of conservation of mass.

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Optimism among the incumbent’s supporters _____ high despite a recent drop in candidate polls.
8090 [49]

Answer:

b) remains

Explanation:

"Remains" is the grammatically correct word to occupy the white space shown in the question above.

That's because that word is related to the word "Optimism", which represents the pronoun "it" in that sentence. As we know, when using the pronouns "he, she, it" we must conjugate the verbs. The correct form of "remain" is "remains".

5 0
3 years ago
All of the following are famous modern economists EXCEPT
miskamm [114]

.Answer:

C. Sigmund Freud.

Explanation:

All the economist from the given question are as follows -

  • Karl Marx
  • Adam Smith
  • John Maynard Keynes

But ,

Sigmund Freud -

he is the father of psychoanalysis ,

In the early twentieth century , he was a famous medical doctor , physiologist , influential thinker and a psychologist .

He was well known for refining the concepts of unconsciousness and repression .

6 0
3 years ago
How do cells in organisms vary?
Anon25 [30]

Answer:

All cells has the same DNA but sum are different The differences depend on what parts of the DNA the cell uses in a process called gene expression. Gene expression can be influenced by environmental factors, and influences from the environment can further affect the phenotype in other ways.

Explanation:

Gene expression depends on a constant dialogue between the nucleus and the cytoplasm by University of Geneva Gene expression is the process by which genetic information is used to produce proteins, which are essential for cells to function properly and fulfil their many purposes.

8 0
3 years ago
What is the difference between old fashioned prejudice and modern prejudice?
viva [34]

old fashion prejudice was different from today because back then every thing was one way and they did not like change. And these days prejudice is caused because people think that other people are not "cool" enough to hang out with them. So in the olden days it was because of race, these days its because people are rude and need Jesus.

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The resulting physical and psychological reactions to stressors are known as ______.
Lemur [1.5K]
Fight Or Flight Reaction.
7 0
3 years ago
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