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kotykmax [81]
3 years ago
5

Describe alternating current and direct current. Include two ways that they are alike

Biology
1 answer:
Vilka [71]3 years ago
5 0

AC can be produced by using a device is called as an alternator. This device is a special type of electrical generator designed to produce alternating current. A loop of wire is rotated inside of a magnetic field, which induces a current along the wire.

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Which of the following allows water to move much faster across cell membranes? A) the sodium-potassium pump B) ATP C) peripheral
steposvetlana [31]

Answer:

D

Explanation:

I believe the answer would be aquaporins

6 0
3 years ago
Community ecologists study the factors that determine the abundance of different species. The Abundance of three algae species (
Tema [17]

Answer:

Explanation:

Given that:

The abundance of three algal species in Lake A is now represented by the vectors:

[97, 84, 43] and [100, 80, 50]

Now if we look at Lake A, the change occurring in the vector of algae species can be determined as:

a = [100 -97, 80 - 84. 50 - 43]

a = [3, -4, 7]

Thus, the magnitude of that change is:

|a| = \sqrt{(3)^2 +(-4)^2+(7)^2}

|a| = \sqrt{9+16+49}

|a| = \sqrt{74}

|a| =8.6 \ mg/mL

The abundance of three algal species in Lake B is now represented by the vectors:

[25, 59, 22] and [20, 63, 15]

At Lake B, the change occurring in the vector of algae species can be determined as:

b = [20 -23, 63 - 59. 15 - 22]

b = [-3, -4, -7]

Thus, the magnitude of that change is:

|b| = \sqrt{(-3)^2 +(4)^2+(-7)^2}

|b| = \sqrt{9+16+49}

|b| = \sqrt{74}

|b| =8.6 \ mg/mL

Hence, for both Lake A and B, the magnitude of change is the same.

7 0
3 years ago
The deepest ocean trenches have high salt concentrations that can reach upwards of
kykrilka [37]
Trench
A long , narrow depression of the sea floor formed where a subdcting plate sinks into the mantle
Hope you get it!
7 0
3 years ago
How does global warming lead to succession events?
MissTica

Answer:

Due to increase temperature and drought condition.

Explanation:

Succession refers to the changes occur in the structure of a biological community with the passage of time. Global warming has a great affect on the succession events because the vegetative cover present in that area vanished due to increase in temperature which is unbearable for the vegetation and also drought condition occurs in that area due to no rainfall. Instead of vegetative cover, a new plant specie formed which has the ability to exists in that environment.

6 0
3 years ago
Please answer this ASAP
loris [4]

B

I hope this answer helped! please rate 5 stars >:)

8 0
3 years ago
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