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Mamont248 [21]
2 years ago
7

What is the correct order of plankton, sea bass, otter, crab, and sun in a food chain?

Biology
1 answer:
FinnZ [79.3K]2 years ago
8 0

Answer:

sun,crab,sea bass then otter

Explanation:

:)

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Which water cycle processes usually cause a lowering in the water table? Which processes cause a rise?
olga55 [171]

Answer:

During the summer months, the water table tends to fall, due in part to plants taking up water from the soil surface before it can reach the water table. The water table level is also influenced by human extraction of groundwater using wells; groundwater is pumped out for drinking water and to irrigate farmland.

Explanation:

7 0
2 years ago
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The law of _________________ states that traits are passed from parents to offspring independently of one another.
balu736 [363]

Answer: The correct answer for the fill in the blank is- Law of independent assortment.

According to the Mendel's law of independent assortment, the allele ( alternative form of a gene that corresponds to a trait) pairs of different genes segregate independent of each other during the process of gamete formation. This means that different traits are transmitted independently from parents to their offspring.

Thus, Law of independent assortment is the right answer.

5 0
3 years ago
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A certain buffer is made by mixing a weak acid HA and its conjugate base A–. When HA is present at a concentration of 0.5 mM and
MAVERICK [17]

Answer:The ratio of the concentrations of HA  and A^- when the buffer has a pH of 7.02 is 0.69

Explanation:

The dissociation constant for formic acid = K_a=1.8\times 10^{-4}

Concentration of HA= 0.5 mM

Concentration of A^-= 0.1 mM

pH = 6.16

First we have to calculate the value of K_a.

Using Henderson Hesselbach equation :

pH=pK_a+\log \frac{[A^-}{[HA]}

Now put all the given values in this expression, we get:

6.16=pK_a+\log (\frac{[0.1]}{0.5})

pK_a=6.86

To calculate the ratio of the concentrations of HA  and A^- when the buffer has a pH of 7.02.

Using Henderson Hesselbach equation :

7.02=6.86+\log \frac{[A^-]}{[HA]}

7.02=6.86+\log \frac{[A^-]}{[HA]}

\frac{[A^-]}{[HA]}=1.44

\frac{[HA]}{[A^-]}=0.69

Thus the ratio of the concentrations of HA  and A^- when the buffer has a pH of 7.02 is 0.69

7 0
3 years ago
Underwater sound detecting system
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A sonar is an underwater sound detecting system. 
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Which of the following is located in the tropical climate zone?
brilliants [131]

Answer: a. Desert

Explanation:

The tropical climatic zone has three different biomes such as tropical rainforests, the tropical savannas and tropical deserts. The tropical climatic zone is the hottest of all the climatic zones as it can be found on and near the equator, this region receives the maximum sunlight energy year around.

Therefore, on the basis of the above information, the desert is the correct option. The desert biome is the hottest and driest region of the earth. This region receives very low annual rainfall.

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3 years ago
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