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2 years ago

Soil conservation involves protecting _ and preventing _.

Physics

2 answers:

horrorfan [7]2 years ago

8 0

<span>Soil conservation involves protecting soil quality and preventing erosion.
Answer: A</span>

AysviL [449]2 years ago

8 0

Answer:

The Correct Answer is A

Explanation:

Soil is the resource that must be protected and conserved.
Soil conservation is the set of management strategies for preventing the top layer of the soil from being eroded by the earth's surface.
Soil conservation is a process to keep the quality of the soil by protecting the soil from erosion and saving its losing nutrients.

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A 9.0-V battery moves 20 mC of charge through a circuit running from its positive terminal to its negative terminal. How much en

dem82 [27]

Answer:

E = 0.18 J

Explanation:

given,

Potential of the battery,V = 9 V

Charge on the circuit, Q = 20 m C

= 20 x 10⁻³ C

energy delivered in the circuit

E = Q V

E = 20 x 10⁻³ x 9

E = 180 x 10⁻³

E = 0.18 J

Energy delivered in the circuit is equal to E = 0.18 J

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3 years ago

Which statement best describes the formation of igneous rocks?

Cerrena [4.2K]

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3 years ago

Read 2 more answers

If a diver displace water with a weight of 500N what is the upthrust on the diver?

ki77a [65]

Answer:

500 N

Explanation:

Natural bouyency will keep the diver in the same place, no matter what the mass of gfs. This means if the diver is displacing with a weight of 500 N, the upthrust will also be 500 N.

3 0

2 years ago

A diverging lens (f1 = -12.0cm) is located 50.0 cm to the left of a converging lens (f2 = 34.0 cm). A 2.0 cm-tall object stands

pishuonlain [190]

Answer:

The final image relative to the converging lens is 34 cm.

Explanation:

Given that,

Focal length of diverging lens = -12.0 cm

Focal length of converging lens = 34.0 cm

Height of object = 2.0 cm

Distance of object = 12 cm

Because object at focal point

We need to calculate the image distance of diverging lens

Using formula of lens

$\dfrac{1}{v}=\dfrac{1}{f}-\dfrac{1}{u}$

$\dfrac{1}{v}=\dfrac{1}{-12}-\dfrac{1}{-12}$

$v=\infty$

The rays are parallel to the principle axis after passing from the diverging lens.

We need to calculate the image distance of converging lens

Now, object distance is ∞

Using formula of lens

$\dfrac{1}{v}=\dfrac{1}{34}-\dfrac{1}{\infty}$

$v=34$

The image distance is 34 cm right to the converging lens.

Hence, The final image relative to the converging lens is 34 cm.

5 0

3 years ago

A 12.0-kilogram object is lifted from the ground to a height of 4.00 meters.

kow [346]

Answer:

3 j

Explanation:

12.0 kilo / 4.00 meters = 3 j

4 0

2 years ago

Soil conservation involves protecting _______ and preventing _______.

Soil conservation involves protecting _ and preventing _.