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3 years ago

Read the scenario.

Biology

1 answer:

babunello [35]3 years ago

3 0

Answer:

The cyclist’s displacement is +5 m.

Explanation:

We have, A cyclist starts at a position of origin. He takes 3 s to move east to a position of +8 m. He then cycles west to a position of +5 m which takes an additional 2 s.

It is required to find the cyclist’s displacement. Displacement of an object is the shortest path covered by it or it is given by the difference of final to the initial position.

Finally, he cycles west to a position of +5 m. Distance between final and initial position is +5 m.

Hence, the cyclist’s displacement is +5 m.

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Discribe the population growth for the first 3 years.

Triss [41]

Answer:

The answer would be A

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Explanation:

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3 years ago

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Describe the forces at a divergent boundary.

Nataly_w [17]

Answer:

A divergent boundary occurs when two tectonic plates move away from each other. Along these boundaries, earthquakes are common and magma (molten rock) rises from the Earth's mantle to the surface, solidifying to create new oceanic crust. ... Two plates sliding past each other forms a transform plate boundary.

Explanation:

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3 years ago

Calculate the volume of 1 M NaOH needed to prepare 12.0 mL of a 0.10-M solution. Prepare this solution. (Refer to the Dilutions

Lapatulllka [165]

Answer:

1.2 mL

Explanation:

This is a problem of simple dilution. The dilution principle simply agrees that the number of moles before dilution must be equal to the number of moles after dilution.

Recall that: number of moles = mass/molar mass or molarity x volume.

Hence, for the dilution principle:

initial molarity x initial volume = final molarity x final volume.

In this case, initial molarity of NaOH = 1 M, initial volume = ?, final molarity = 0.1 M, final volume = 12.0 mL.

Initial volume = final molarity x final volume/initial molarity

= 0.1 x 12/1 = 1.2 mL

It thus means that 1.2 mL of 1 M NaOH would be taken and then diluted up to 12.0 mL mark by the addition of distilled water in order to produce 12.0 mL, 0.10 M NaOH solution.

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3 years ago

List the properties of water that make it unique.

Makovka662 [10]

Answer:

1) Water has high heat capacity

2) Water is a versatile solvent

3) Water conducts more electricity than any other liquid

4) Water has high heat of vaporization

5) Water has very high surface tension

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If bacteria are not trapped before air enters the lungs they can cause an infection.state the name of this disease

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It is called pneumonia

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