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ollegr [7]
3 years ago
7

How does the constructive forces change the land surface

Biology
1 answer:
krek1111 [17]3 years ago
3 0
Constructive forces build mountains and hills, and are caused by convergent plate boundaries
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Which statement describes potassium-argon dating?
Fiesta28 [93]

Answer: Potassium-40 decays into argon gas over time.

Explanation: Potassium-argon dating is a dating method used to determine the age of sedimentary rocks by comparing the proportion of K-40 to Ar-40 in a sample of rock, and knowing the decay rate of K-40.

Potassium-40 undergoes decay following first order kinetics as given below:

_{19}^{40}\textrm{K}\rightarrow _{18}^{40}\textrm{Ar}+_{0}^1e

3 0
3 years ago
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Which of these statements describes a limitation of the Antarctic Treaty
ZanzabumX [31]

Answer:

<em>The correct option is D) It does nothing to protect the atmosphere over Antarctica.</em>

Explanation:

On December 1, 1959, the Antarctic Treaty was signed in Washington. According to this treaty, Antarctica was to be used for peaceful purposes. This treaty regulates international relations with the Antarctica region. Freedom to different scientists for research in this area was given through this treaty.

However, the treaty did not discuss anything related to the protection of the atmosphere around Antarctica. Hence, option D can be considered to be a limitation of the Antarctic Treaty  System.

5 0
3 years ago
Please answer ASAP first gets brainlyist
Brilliant_brown [7]

Rain occurs because of moisture gathering higher in the atmosphere. The process that creates rain in the atmosphere has a variety of steps we don't see. This process is called the water cycle. This cycle is never ending, meaning that rain is a constant on the earth as long as there's an ocean or water on the earth.

Water vapor is an atmospheric moisture that is sometimes visible to the naked eye. Water vapor comes in the form of clouds, fog, mist, and dew. The process that creates water vapor is called evaporation, which is where water on the earth is heated to a temperature that makes water molecules spread out and begin to vibrate quicker. This creates water vapor.

The water vapor is commonly carried high into the atmosphere to create clouds. Once the vapor is in the atmosphere, it begins to lower in temperature. This causes condensation, which means the water vapor is reforming into water droplets.

Precipitation Takes place after this. Precipitation occurs when the water droplets are too heavy to carry in the atmosphere, so they drop back down to the earth. After this takes place, the entire process resets, and happens again.

Hope this helps!  

4 0
3 years ago
respond to the meme old folks always poke ma at weddings and say you're next so I started doing the same thing to them at funera
zhannawk [14.2K]

Answer:

AWWWW thats sad i get it but dont know it

Explanation:

3 0
2 years ago
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proteins need to be denatured using an anionic detergent such as sds before gel electrophoresis because: select all that apply.
grandymaker [24]

The majority of proteins contain a uniform positive charge, and a uniform neutral charge, and most proteins have intricate three-dimensional structures that might affect how well they travel through the gel electrophoresis. For these reasons, proteins need to be denatured. Here, the right answers are A, B, and D.

Protein separation is accomplished using a molecular technique called sodium dodecyl sulfate-polyacrylamide gel electrophoresis, which operates in the proximity of an electric charge. Proteins are separated using SDS-PAGE according to their electrophoretic mobility. Protein charge, shape, and structure all affect electrophoretic mobility.

To proceed in the direction of the positive terminal, the protein molecules need to have a constant negative charge (anode). The overall charge of a protein is determined by the amino acid content of the protein as well as the charge of the individual amino acids.

Thus, depending on the total makeup of amino acids, the charge may change. Depending on the ratio of different amino acids, the total charge of the proteins can be positive, negative, or neutral. The SDS treatment gives the proteins a consistent, negative charge. Then, according to size, the negatively charged amino acids flow toward the positive terminal.

Complete question:

Proteins need to be denatured using an anionic detergent such as SDS before gel electrophoresis because: Select all that apply.

A - most proteins have a uniform positive charge

B - most proteins have complex three-dimensional structures that can impact their movement through the gel

C - the overall charge of a protein depends on the amino acid composition of the protein and can vary greatly

D - most proteins have a uniform neutral charge

To learn more about gel electrophoresis

brainly.com/question/9437877

#SPJ4

8 0
1 year ago
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