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Alinara [238K]
3 years ago
15

9. Which of the following statements describes the data in Figure 1?

Biology
1 answer:
vredina [299]3 years ago
7 0

Answer:

A. an increase in sea urchin biomass is associated with more intense grazing.

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Hypothesis: If i add the egg to vinegar then the shell will dissolve within 24 hours
nadezda [96]

Answer :

Vinegar is a weak acid. This is used to make a naked egg. When an egg is added in the vinegar for one day / 24 hrs, it reacts with the eggshell.  The calcium carbonate shell gets dissolve.

Then an egg without shell is formed and the size of the egg does not change. The calcium carbonate reacts with acetic acid and forms carbon dioxide.

When the shell-less egg is kept in the vinegar for 48 hrs i.e. 2 days again, the water content in it enters into the eggs through the membrane. Then the egg gets somewhat bigger.

Otherwise, for 24 hrs, vinegar is acting like an isotonic solution and only dissolves the shell. This experiment would be done for showing the osmosis process through the cell membrane.

6 0
3 years ago
Ensuring that enough money and credit are available to sustain economic growth without inflation is the primary mission of the _
Black_prince [1.1K]
<span>Ensuring that enough money and credit are available to sustain economic growth without inflation is the primary mission of the D. Federal Reserve. </span>
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3 years ago
What do you think the effect is of jet airplanes on global warming?
Alexeev081 [22]
Jet airplanes take up a lot of fuel and money. Not only are they burning fossil fuels quickly, but they're also being flown on a basis. Planes are sent out constantly, and the amount of carbon it releases into the atmosphere is incredibly dangerous.
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3 years ago
Which is the role of the electron transport chain in the process of photosynthesis? A. Cycling electrons between photosystem and
Elina [12.6K]

Answer:

c.

Explanation:

Because youcaring electrons from photosystem II, to photosystem I, to NADP+

I took this test about it hope that helps :D

5 0
3 years ago
Which option is it? Please help
Nat2105 [25]

Answer:

The correct anwser is D. Signals inside the spinal cord

Explanation:

hope this helps :)

7 0
3 years ago
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