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3 years ago

How to separate rice which contains small pebbles , husk and mud?

1 answer:

7 0

To separate the pebbles you should hand pick it, meaning-from the word itself, you don’t have to use any kind of instrument but your hand.

On the other hand, to separate the mud you can use decantation or sedimentation or filtration.

To separate the husk you have to use sieving.

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DESCRIBE what activation energy is.

Semmy [17]

Activation energy is the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction.

for example , striking a match on the side of a matchbox provides the activation energy, in the form of heat produced by friction.

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4 years ago

Read 2 more answers

Use the numbers 1, 2, 3, 4, and 5 to place the protein creation steps below in the correct order. Ribosome attaches to the mRNA.

kirza4 [7]

Answer: The correct sequence for the protein creation is as follows-

1) Information is transcribed in DNA to mRNA.

2) mRNA leaves the nucleus.

3) Ribosome attaches to the mRNA.

4) tRNA anticodon carries an amino acid that compliments the mRNA codon.

5) The chain of amino acids forms a protein.

According to the Central Dogma, the genetic information is transferred from DNA to mRNA to Proteins.

The first step is transcription in which DNA is converted to mRNA with the help of enzyme RNA polymerase. In eukaryotic cells, this process occurs in the nucleus.

This is followed by translation, which takes place in the cytoplasm when mRNA leaves the nucleus.

Ribosomes are the specialized organelles, which act as the site for protein synthesis ( translation).

Ribosomes attach to the mRNA. tRNA brings amino acid, which has anticodon complementary to the codon present in the mRNA. A chain of amino acids is thus synthesized, which is called Protein.

8 0

3 years ago

Read 2 more answers

Which of these tasks would a hydrologist be most likely to perform?

GuDViN [60]

Hydrologists are most likely to perform actions relating to estimating the amount of groundwater in an aquifer.

<h3>Hydrologists</h3>

Hydrologists are scientists that specialize in the study of how water relates to the various crusts of the earth.

Hydrology in itself refers to the branch of science that studies how water moves relative to the earth's crusts.

Thus, species identification, age of fossils, or extracting underground oils have nothing to do with the work of hydrologists.

More on hydrology can be found here: brainly.com/question/13554728

5 0

2 years ago

Please help and thank you

zhannawk [14.2K]

Answer:

having crops that can grow at any temperature is the answer!

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3 years ago

The bottleneck event that decimated the bison was caused by _______.

Whitepunk [10]

The answer is an overhunting.

<span>The bottleneck event means drastic reduction of the population size because of environment changes. The consequence of this is the reduction of genetic variation. The bison population is a good example of the population bottleneck. The bison population drastically reduced its size due to overhunting which culminated at the end of the 19th century, when bisons almost extinct. </span>

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3 years ago