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faust18 [17]
3 years ago
5

(HELP ME)

Biology
1 answer:
Mariulka [41]3 years ago
3 0

Answer:

The answer is fossils.

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olga2289 [7]
Kidney, ureter bladder and urethra
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3 years ago
Explain how the release of sodium and chlorine would lead to a loss of water in the intestines
frosja888 [35]

Answer:

Please find the explanation below

Explanation:

Sodium (Na) and Chlorine (Cl) are two electrolytes that play important role in the absorption of water and nutrients in the small intestine. However, as mentioned in the question, the release of sodium and chlorine would lead to a loss of water in the intestines. This is because of the OSMOTIC phenomenon.

Osmosis is the movement of water molecules from a region of high concentration of water/low concentration of solute to a region of low concentration of water/high concentration of solute via a semipermeable membrane. In this case, the Na+ and Cl- ions serve as the solutes, which when released out of the intestine causes the solution in the intestines to be HYPOTONIC compared to the intestinal environment. This causes an OSMOTIC GRADIENT.

This osmotic gradient i.e. difference in concentration provokes osmotic flow of water from the intestines, which has a low solute/high water concentration, to the outside of the intestines, which has a high solute/low water concentration. Hence, water is lost from the intestine because the solute concentration becomes low when sodium and chlorine ions are released.

3 0
3 years ago
Plants make their own food and are called producers. What do plants need to make their own food? A) soil, air and water B) soil,
enyata [817]

Answer:

D

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A plant needs to use the energy from the sun to make glucose and other nutrients it needs. Air is needed for glycolysis and photosynthesis to occur. Water is needed by all living things to stay alive.  

5 0
3 years ago
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Which of the following characteristics would be seen in a dinoflagellate, but not in an apple tree? a. multicellular c. producer
igomit [66]
The correct answer is B. unicellular.
Dinoflagellates are unicellular or multicellular, producers, and autotrophs, and apple trees are multicellular, producers, and autotrophs. All plants have numerous cells in them, so they can never be unicellular. The remaining characteristics they share with less complex organisms such as dinoflagellates.
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What is Not a factor of climate change?
VMariaS [17]

Answer:

Habitat loss, uncontrolled hunting

Explanation:

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