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Ymorist [56]
3 years ago
11

ow does the food chain start? A Plant life uses energy from the sun to make food. B Insects like grasshoppers eat plant life. C

Animals like rats eat insects. D Humans eat large animals and plant life
Chemistry
1 answer:
Natali [406]3 years ago
5 0
A is the answer! I’m pretty sure hopefully i helped!!
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You note that cells placed in a solution crenate. What could you definitively conclude about the solution?
lys-0071 [83]

Answer:it means the cell is an hypertonic or high concentration solution

Explanation: osmosis is defined as movement of water from a region of high concentration to a region of low concentration of water.

Now being in a hypertonic solution means the sorrounding solution in a high concentration of the solute which means water is in low in concentration , so osmotic pressure move water from the cell (which has a relatively higher water concentration )to it's sorrounding which has a lower concentration of water, resulting in the shrinking or crenation of the cells.

6 0
3 years ago
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Which physical property can be measured??
Nikitich [7]
Extensive property (like volume and mass), can be measured.
4 0
3 years ago
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Practice: How many protons, neutrons and electrons are in the following?
Nata [24]

Answer:

The answer to your question is below

Explanation:

When we have the number of an element followed by a number, that number is the atomic mass.

Atomic mass is the number of protons plus neutrons.

                              Protons                    Neutrons

Carbon-13                  6                            13 - 6 = 7

Chromium-51            24                          51- 24 = 27

Strontium-88             38                           88 - 38 = 50

Boron-10                     5                            10 - 5 = 5

6 0
3 years ago
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Phenolphthalein is used as a visual indicator in a strong acid-strong base titration because
marysya [2.9K]
A strong acid- strong base titration is performed using a phenolphthalein indicator. Phenolphtalein is chosen because it changes color in a pH range between 8.3 – 10. It will appear pink in basic solutions and clear in acidic solutions. ... It is known as the titrant.
3 0
3 years ago
Hello, <br><br> So I was wondering if this is correct... Is it?
Sonja [21]
Looks correct but the second to last I would of put abiotic and biotic factors but I don’t know what’s right for you
4 0
3 years ago
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