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Irina18 [472]
3 years ago
9

Along straight stretches of a stream channel, the highest velocities of water are found _____.

Biology
2 answers:
Sergeu [11.5K]3 years ago
7 0

Answer:

Highest stream velocities exists at the mid channel near the surface of water

Explanation:

The highest velocity in a straight channel is found in the mid channel near the surface of water as there in no friction from the bed channel. On the other hand the velocity of a stream at the bank side and bed is the lowest as there is the highest friction caused by the roughness of the substrates constituting the  bank/bed.

Lapatulllka [165]3 years ago
4 0
<span>near the water surface in the center of the stream

hope this helps</span>
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position vs time for two cars which statements best describe the motion of car a and car b check all that apply
jekas [21]

Answer:

Option 1, 2, 5

Explanation:

Options for the question

  1. car a and car b are both moving toward the origin.
  2. car a and car b are moving in opposite directions.
  3. car a is moving faster than car b.
  4. car a and car b started at the same location.
  5. car a and car b pass each other at the crossover  point on the graph.  time (s)

Solution -

The motion of any object is represented by  position-time In such graphs the position of an object is fixed for any starting point on the y-axis and time on the x-axis.

The slope of such curves determine the velocity of the object at all its position within the graph. The steeper the slope is, the faster the the object is moving.

Hence, the following statements are correct

Option 1, 2, 5

3 0
3 years ago
Imagine that you are studying the food preferences of a lizard species across its range. You have hypothesized that because thes
vfiekz [6]

Answer: Option A

Explanation:

The hypothesis states that the lizards living in different regions belong to the different food preferences.

No, the hypothesis will be proved correct only when the lizards will be kept in the same condition then their food preferences will be studied.

If their food preference will still be the same then it can be concluded that they reflect parental food preferences.

Else, if they will feed on the food given to them then the hypothesis will be rejected.

3 0
3 years ago
If an enzyme in solution is saturated with substrate, the most effective way to obtain a faster yield of products is to
Pachacha [2.7K]
Catalyst maybe ( lower activation energy).
3 0
3 years ago
a circle fence sourrounding a small yard mesure 84 meters in length if you walk from one side from the other through the middle
anygoal [31]

Answer: 26.75 meters.

2πr = 84

2 * 3.14 * radius = 84

radius = 84/6.28

r= 13.375

So the diameter will be 13.375 + 13.375 which is 26.75 meters.

4 0
2 years ago
Dna is located in a non membrane bound region in a prokaryotic cell called the
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This would be the nucleiod region.
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