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3 years ago

Which is the top layer of groundwater?

Chemistry

2 answers:

pychu [463]3 years ago

8 0

Answer:

Water table

Explanation:

Ivanshal [37]3 years ago

4 0

Answer:

An aquifer is a layer of porous substrate that contains and transmits groundwater. ... The upper level of this saturated layer of an unconfined aquifer is called the water table or phreatic surface. Below the water table, where in general all pore spaces are saturated with water, is the phreatic zone.

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At elevations higher than sea level the atmospheric pressure is ___ than the atmospheric pressure at sea level

lions [1.4K]

Answer:

lower

Explanation:

The higher the sea level, the lower the atmospheric pressure. This is due to the density of air decreasing as the altitude increases.

5 0

3 years ago

Directions are in the picture

Mrrafil [7]

Answer:

Question Clear

Explanation:

Make sure your question is clear.

6 0

3 years ago

Drag each tile to the correct location. <br><br> Identify the verb used in each sentence.

miskamm [114]

Answer:

1) subjunctive

2) conditional (most likely)

3) conditional

4) subjunctive

5) conditional

6) conditional

Explanation:

subjunctive mood expresses a wish

conditional mood = if (event), (result)

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3 years ago

In a given year, which would result in the greatest increase in population size?

Serhud [2]

Answer:

b because no death and no emigration

Explanation:

4 0

4 years ago

Which unit can be used to express the concentration of a solution?

exis [7]

Answer: (3) ppm

Explanation: Concentration is defined as the amount of solute dissolved in a known amount of the solvent or a solution.

Parts per million (ppm) is used to express the concentration when a very small quantity of solute is present in a large quantity of the solution. It is defined as the mass of solute present in one milion $(10^6)$ parts by mass of the solution.

$ppm=\frac{\text {mass of Solute}}{\text {Mass of solution}}\times 10^6$

L/s is used to express flow rate.

J/g is used to express energy per unit mass.

kPa is used to express pressure.

6 0

3 years ago

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