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Andreyy89
2 years ago
8

Which of the following is something that can cause land pollution?

Physics
2 answers:
Tasya [4]2 years ago
8 0

Ok, condensation is part of the water cycle. Acid rain comes from acidic air pollution.  Burning fossil fuels is a green house gas that contributes global warming. I'd have to go with B.

Dafna1 [17]2 years ago
8 0

Answer:

The answer is B. a toxic waste dump

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Which component of an atom contains the MAJORITY<br> of its mass?
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Answer:

proton and neutrons

Explanation:

electron has negligible mass

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2 years ago
What are the two main factors that<br>affect how quickly a coastline erodes?​
Amanda [17]

Wind and Waves are the 2 main forms of erosion on coastline cliffs

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An object located near the surface of Earth has a weight of a 245 N
marusya05 [52]

Answer:

The mass of the object is 24.5 kg and weight of the object on Mars is 91.14 N.

Explanation:

Weight of the object on the surface of Earth, W = 245 N

On the surface of Earth, acceleration due to gravity, g = 10 m/s²

Weight of an object is given by :

W = mg

m is mass

m=\dfrac{W}{g}\\\\m=\dfrac{245\ N}{10\ m/s^2}\\\\=24.5\ kg

So, the mass of the object is 24.5 kg

Acceleration due to gravity on Mars, g' = 3.72 m/s²

Weight of the object on Mars,

W' =mg'

W' = 24.5 kg × 3.72 m/s²

= 91.14 N

So, the weight of the object on Mars is 91.14 N.

4 0
3 years ago
Selena drew a diagram to show how current moves in a loop of wire that is placed between two magnets. At top left a piece of mag
OLEGan [10]

Answer:

B on Edge 2020

She can change the arrows so they show current traveling in opposite directions on the sides of the loop.

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Just took the test haha

5 0
2 years ago
Read 2 more answers
A 3.1 kg ball is dropped from the top of a 38 m tall building. What is the speed of the ball when it is halfway from the buildin
Archy [21]

Answer:

19.3m/s

Explanation:

Use third equation of motion

v^2-u^2=2gh

where v is the velocity at halfway, u is the initial velocity, g is gravity (9.81m/s^2) and h is the height at which you'd want to find the velocity

insert values to get answer

v^2-0^2=2(9.81m/s^2)(38/2)\\v^2=9.81m/s^2 *38\\v^2=372.78\\v=\sqrt[]{372.78} \\v=19.3m/s

4 0
2 years ago
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