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kow [346]
3 years ago
15

What are the roles of plate tectonics in the continental shelf?

Biology
2 answers:
bekas [8.4K]3 years ago
6 0

Answer:

t

Explanation:

Kryger [21]3 years ago
4 0

Answer:

A continental shelf is a portion of a continent that is submerged under an area of relatively shallow water known as a shelf sea. Much of these shelves has been exposed during glacial periods and interglacial periods. The shelf surrounding an island is known as an insular shelf.

Explanation:

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1. How<br>or an<br>alkali<br>you test to see if a liquid is an acid​
nadezda [96]

Answer:

One way to test for pH is by using litmus (pronounced "LITT- muss") paper. It can be purchased at the drug store, at places where they sell swimming pool supplies, or at pet stores where they have aquarium supplies.

Blue litmus paper tests for acids, and it turns various shades of red when dipped into acidic liquid.

Red litmus paper tests for alkalis (bases). It turns various shades of blue when dipped into alkaline liquid.

Remember, we asked each of you to bring four liquids from home so that we can test them. You have lots of good stuff in little bottles and jars.

Make a heading on your paper by putting the word "ACID" on the top at the left, and the word "ALKALI" on the top to the right of the middle, so you can make two lists.

Take off the lids, and do your testing, by dipping a small piece of blue litmus paper into a jar, then writing the name of the liquid under the category into which it belongs. If the blue litmus paper turns red, that means your liquid is acid. If nothing happens, test it with the red litmus paper. If it turns blue, write the name of your liquid in the

"alkali" column.

Surely you've noticed that some acids made the paper redder than others. The dark red means the acid in that liquid is stronger than that in the liquids that turned the blue paper a light color of red. Same with the paper used for testing alkalis--the dark blue is more alkali than the light blue. You can group your liquids again, in the same columns, but this time, putting the stronger ones first on the lists.

Now we'll have a little cooking lesson. Cream of tomato soup is fun to make, and a little science is necessary to make it properly.

Cook one can of whole or diced tomatoes in a large pot until it has boiled a few minutes. Add a little salt, and if you want, a small amount of minced onion.

Of course, to have "cream" of tomato soup, you need to put in some milk.

WAIT! STOP! If you put milk into the tomatoes, the milk will curdle, and be awful. Why do you think that is?

Tomato is acid. Milk is not. They can't be mixed just like that. What do we do, then, to make "cream" of tomato soup? Science has provided us with an answer to this problem.

Baking soda is alkali. Add one teaspoon of baking soda to the tomatoes. Watch it foam! Zowie! Something is happening here! After it cooks awhile, the foam will go away, and now, you can add the milk.

It will not curdle because you neutralized the acid in the tomatoes by adding baking soda. And the soup is lovely, besides!

Explanation:

7 0
3 years ago
Read 2 more answers
Mae noticed that the birdbath in her backyard loses water more quickly during hot summer days than during the cooler days of the
professor190 [17]

Answer:

B. Water evaporates more quickly when temperatures are high

Explanation:

Constructing an hypothesis is KEY to any experimental setup. It is the first thing to do in accordance to the scientific method. A hypothesis is simply a predicted statement that aims at proferring solution that is subject to testing via experimentation.

According to this question, Mae observed that the birdbath in her backyard loses water more quickly during hot summer days than during the cooler days of the spring. A suitable hypothetical statement for this observation would be: "Water evaporates more quickly when temperatures are high".

N.B: Hypotheses are not questions

4 0
2 years ago
Over millions of years, birds developed as a species. This relates to _____.
Tpy6a [65]
<span>Evolution of birds is result of a drastic change in how dinosaurs evolved. </span>
5 0
3 years ago
Which methods is utilized by eukaryotes to control their gene expression that is different from the type of control found in bac
Damm [24]

Answer:

Method which is utilized by eukaryotes to control their gene expression that is different from the type of control found in bacteria is control of both RNA splicing and chromatin remodeling.

Explanation:

There is a difference in the gene expression of the prokaryotes and eukaryotes. In prokaryotes, transcription and translation occur simultaneously in the cytoplasm, and gene regulation occurs at the transcriptional level. In eukaryotes gene expression is regulated during transcription and RNA processing, which take place in the nucleus, and during protein translation, which takes place in the cytoplasm.

Prokaryotic cells can only regulate gene expression by controlling the amount of transcription. As eukaryotic cells evolved, the complexity of the control of gene expression increased. For example, with the evolution of eukaryotic cells came compartmentalization of important cellular components and cellular processes. A nuclear region that contains the DNA was formed. Transcription and translation were physically separated into two different cellular compartments. It therefore became possible to control gene expression by regulating transcription in the nucleus, and also by controlling the RNA levels and protein translation present outside the nucleus.

5 0
3 years ago
Which two positions shows the location of the moon in its crescent city phases as seen from earth?
Akimi4 [234]

Answer:

waxing and waning crescent

Explanation:

6 0
3 years ago
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