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galben [10]
3 years ago
14

4.   Which aquatic ecosystem typically forms along coastlines where fresh water and salt water meet, leading to varying degrees

of salinity?
Biology
2 answers:
lyudmila [28]3 years ago
8 0
I would say estuary, because that's where a fresh water river and an ocean meet, and that leads to a transition between salt to fresh water.
elena-s [515]3 years ago
8 0
I would also say estuary lfor this
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Nutrients enter a cell ______ the concentration gradient by the process of _______.
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Nutrients enter a cell up the concentration gradient by the process of active transport.
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3 years ago
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Epinephrine, insulin, and auxins are all examples of that help produce feedback.
JulsSmile [24]

Answer: cofactors.

Explanation:

Epinephrine, insulin and auxins are cofactors.

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dimaraw [331]

Answer:

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Explanation:

8 0
3 years ago
When a singly ionized potassium ion moves through a channel in the membrane passing from the outside to the inside, what is the
Korolek [52]

The magnitude of the work done by the electric field of the membrane is <u>W = 1.28 × 10⁻²⁰ Joules</u>.

We start with the necessity to take into account a value for the voltage present there in order to solve this problem by first considering that the membranes have two layers, one internal and one external, each responsible for producing a potential difference between the two levels.

As a result, in order to find a solution, it is necessary to take into account the potential difference between the two surfaces. In this instance, we'll assume a particular value for the load, but the recipient is free to substitute a different value if they prefer.

The product of the potential difference and the charge is used to define the work that an electric field performs. The charge of the potassium ion will be equal to that of its electron, so,

q = 1.6 × 10⁻¹⁹ Coulombs

Then the Work would be:

W = Vq

Here,

v = Potential difference

q = Charge

The 80mV potential difference we will have is quantified as follows:

W = (80mV (1V/1000mV))( 1.6 × 10⁻¹⁹ C)

W = 1.28 × 10⁻²⁰ Joules is the amount of work that the membrane's electric field has produced.

Find more on work done at : brainly.com/question/25573309

#SPJ4

5 0
9 months ago
Please help
emmasim [6.3K]
I think carbon dioxide then sugars
6 0
2 years ago
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