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vaieri [72.5K]
3 years ago
12

Will upvote:

Biology
1 answer:
AlekseyPX3 years ago
8 0
The correct answer is the first one: "A compass is a permanent magnet"
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Using land for agriculture and forestry can lead to soil erosion. Which of the
VLD [36.1K]
All of them are correct soil erosion turns grains of soil into mere grains of sand which when placed in water makes the water much cloudier, biodiversity will decrease as soil erosion leads to a more Barron and dry landscape, respiratory disease may be caused by inhaled particles of dust which can be create from soil erosion, and desertification as mentioned earlier soil erosion leads to a more baron and dried out landscape as the soil can’t hold water as much as it used too.
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3 years ago
An object has a kinetic energy of 32 J and a mass of 36 kg, how fast is the object moving?
marin [14]

Answer:

1.33 m/s

Explanation:

The formula for Kinetic Energy is given as:

K.E=\frac{1}{2} mv^{2} \\

Where, m is the mass and v is the velocity of the object. In order to tell how fast is the object moving we need to calculate its velocity.

Re-arranging the above equation and isolating v, we get

2 K.E = mv^{2}\\\\v^{2} = \frac{2 K.E}{m}

Putting values in this equation, we get:

v^{2}=\frac{2 \times 32}{36}\\\\ v^{2}=\frac{16}{9}\\\\ v=\frac{4}{3}\\\\  v=1.33

Thus, the object is moving with a velocity of 1.33 m/s

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3 years ago
1. rainbows are more beautiful after fall rainstorms than spring rainstorms.
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The population of the earth is doubling every 40 years. If the population of the earth is now 6 billion people how many people w
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The action of this rudimentary biological level of organization governs all physical and chemical processes in life. ___________
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Cell the essential membrane- bound unit that contains the key particles of life and of which every living thing are formed.

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The levels of organization range from a single organelle all the way up to a highly structured hierarchy.cell governs all physical and chemical process in life.

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