Which of these characteristics differentiates electrons from protons and neutrons?

1 answer:

6 0

C is the correct answer. Electrons are not in a fixed position — they float around the outside of the nucleus in a cloud. In contrast, the protons and neutrons are found inside the nucleus. Electrons are also much smaller than both protons and neutrons.

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7. What is the goal of materials engineering?

dusya [7]

Answer:

The goal of materials engineering is to predict and control material properties through an understanding of atomic, molecular, crystalline, and microscopic structures of engineering materials

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3 years ago

All of the following are examples of functional groups in cells except

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CH3- methyl group COOH- carboxyl group H2O- just water NH2- amino goup OH- hydroxyl group the answer is H2O

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3 years ago

Does social distancing increase or decrease your carbon footprint?

Andrej [43]

Answer:

Decrease

Explanation:

The carbon footprint is the amount of carbon (in terms of greenhouse gases) being emitted by human activities. In a situation where social distancing is encouraged, human activity would reduce significantly. Very few people will be outside and the causative agents of pollution (anthropogenic) will be significantly reduced. Further, nature would be able to minimize the impacts of pollution when human activities are less than the threshold capacity.

Let's take an example of coronavirus spread globally this year. The social distancing of 2 meters has significantly reduced the number of people going outside. Ultimately, there are fewer automobiles on the roads and a few industries are running. The result is that the air quality index has been significantly improved. For example, in India, people from 300 km away, can see the Himalayan mountain range very clearly (see image attached). This has not happened in decades after modern industrialization.

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3 years ago

A student compares two different proteins. The student notices that the primary structures differ in both the number

Ahat [919]

Answer:

A.The two proteins have different functions.

Explanation:

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3 years ago

Mrs. Jones blood typing results showed agglutination with the plasma containing anti - B antibodies only. What is her blood type

MakcuM [25]

Answer:

Mrs Jones Blood type= B type.

Safe transfusion from: B and O blood type.

Explanation:

In the given example, the anti-B antibodies are present in the donor plasma. Since anti-B antibodies react with B antigen present on the RBCs of blood, Mrs. Jones should have B antigen on the surface of her RBCs. The blood type with only B-antigen on the RBC's surface is blood type "B".

Hence, her blood type is "B" type which has B antigens that react with anti B antibodies of the donor plasma causing agglutination and hemolysis of RBCs.

She can get the blood of B and O blood types. Blood type O is a universal blood type as it does not have B or A antigens on the surface of its RBCs to initiate the agglutination.

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3 years ago