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3 years ago

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Excessive sweating accompanied by cold and clammy skin, rapid but weak pulse, weakness, nausea, dizziness, headache, and difficu

lty concentrating are early signs of

1 answer:

Illusion [34]3 years ago

8 0

The answer is early sighns of alzheimer dementia

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Describe the relationship among atoms,molecules, matter

Vladimir [108]

Answer:

Atoms, molecules and matter are related because matter is made up of atoms. Molecules are atoms of more than two elements that are chemically bonded together. An atom is a certain element that becomes a compound or molecule when bonded with other atoms. So matter is made up of one type of element or combinations of elements.

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3 years ago

Know the differences between the littoral zone and the benthic zone

Olin [163]

Answer:

Littoral Zone:

The littoral zone or nearshore is the part of a sea, lake, or river that is close to the shore. In coastal environments, the littoral zone extends from the high water mark, which is rarely inundated, to shoreline areas that are permanently submerged. The littoral zone always includes this intertidal zone, and the terms are often used interchangeably. However, the meaning of littoral zone can extend well beyond the intertidal zone.

Benthic Zone:

The benthic zone is the ecological region at the lowest level of a body of water such as an ocean, lake, or stream, including the sediment surface and some sub-surface layers. Organisms living in this zone are called benthos and include microorganisms (e.g., bacteria and fungi) as well as larger invertebrates, such as crustaceans and polychaetes. Organisms here generally live in close relationship with the substrate and many are permanently attached to the bottom. The benthic boundary layer, which includes the bottom layer of water and the uppermost layer of sediment directly influenced by the overlying water, is an integral part of the benthic zone, as it greatly influences the biological activity that takes place there. Examples of contact soil layers include sand bottoms, rocky outcrops, coral, and bay mud.

Explanation:

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3 years ago

Explain how the formation of sea ice affects the salinity of ocean water

dedylja [7]

The answer is; Formation of sea ice increases the salinity of the oceans

When ice form in water, this water is ‘osmotically isolated’ (in solid form) hence making liquid water become lesser in quantity than before. Since the number of dissolved salts remain more or less the same and the liquid water in which it is dissolved has reduced, then the water becomes more concentrated (because they are now more ppm of salts in each cubic amount of the water).

3 0

3 years ago

The following figure shows a plant cell immediately after it has been placed in distilled water (A) and a plant cell that has be

DENIUS [597]

Answer:

Plant cell A has lower water potential than cell B. True

Plant cell B is isotonic to the fluid in the beaker. True

Plant cell B's water potential increased due to an increase in solutes inside the cell. False

Plant cell B is at equilibrium with the fluid in the beaker. True

Plant cell A has higher water potential than cell B. False

Plant cell A is at equilibrium with the fluid in beaker. False

Explanation:

Plant cell A has lower water potential than cell B. True

This statement is true because the water potential of A is -2 bars while that of B is zero bars.

Plant cell B is isotonic to the fluid in the beaker. = True

Isotonic solutions have equal water potential. Since the water potential of distilled water is zero and that of plant cell B is zero as well, plant cell B is isotonic to the fluid in the beaker.

Plant cell B's water potential increased due to an increase in solutes inside the cell = False.

An increase in solute inside the cell doe not increase water potential but rather reduces it.

Plant cell B is at equilibrium with the fluid in the beaker. = True

Plant cell B is at equilibrium with the fluid in the beaker because its water potential is zero since the negative solute potential is counterbalanced by the positive pressure potential.

Plant cell A has higher water potential than cell B = False.

Plant cell A has a lower water potential of -2 bars while plant cell B has a higher water potential of zero.

Plant cell A is at equilibrium with the fluid in beaker. = False.

Plant cell A is not at equilibrium with the fluid in the beaker, rather due to its negative water potential, water will move into the cell.

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3 years ago

Which statement supports the idea that homophobia is declining in the United States

Lunna [17]

The correct answer to this is A

7 0

3 years ago

Read 2 more answers