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elena-s [515]
4 years ago
11

Earth's crust is made up of large and small plates that are in slow, constant motion, driven by convection curents in Earth's ma

ntle. Scientists who study Earth have consistently observed that most earthquakes and volcanoes
occur where plates meet Which of the following best describes or categorizes plate tectonics?
A scientific law
B scientific theory
C hypothesis
D Aprediction

PLEASEEEE HELPP
Physics
1 answer:
gizmo_the_mogwai [7]4 years ago
4 0

Answer:

B

Explanation:

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While standing in the middle of a mountain range, a camper is curious to see what would happen if he yelled loudly into the dist
Vera_Pavlovna [14]

Answer:

Reverberation

Explanation:

6 0
3 years ago
Which of the following is not a sedimentary structure?A) Magma emplacementB) Mud cracksC) Ripple marksD) Cross beds
lawyer [7]

Answer:

A) Magma emplacement

Explanation:

Sedimentary structures forms during deposition of sediments. It can also form after sediments have been deposited. Sedimentary structures can only be found in sedimentary rocks. Some examples include mud cracks, ripple marks, cross stratification, potholes, etc

Magma emplacement is an igneous process which describes the different mechanisms by which magma can be emplaced. It is only typical of igneous rocks.

6 0
3 years ago
A ball is kicked on a planet the size of Earth but with twice the acceleration due to gravity. If the maximum height of the ball
USPshnik [31]

Answer:

The value t = 1.995 \  s

Explanation:

From the question we are told that

The acceleration due to gravity is a = 2g

The maximum height is h= 39 m

Generally from the kinematic equation

             s =  ut + \frac{1}{2} at^2

Here u  is the velocity of the ball at maximum height before it start falling and the value is  0 m/s

So

            39 =  0* t + \frac{1}{2} (2g)t^2

            39 = (9.8)t^2

            t =  \sqrt{3.9795918}

t = 1.995 \  s

3 0
4 years ago
A block of mass 0.84 kg is suspended by a string which is wrapped so that it is at a radius of 0.061 m from the center of a pull
lora16 [44]

Answer:

E_l = 1.713 J

Explanation:

Given data:

mass of block is M_b = 0.84 kg

radius of block = 0.061 m

moment of inertia is 6.20 \times 10^{-3} kg m^2

D is distance covered by block = 0.65 m

speed of block is 1.705 m/s

From conservation of momentum  we have

M_b g D = \frac{1}{2} M_b v^2 + \frac{1}{2} I \omega^2 +  E_{loss}

0.84 \times 9.81 \times 0.65 = \frac{1}{2}\times  0.84 \times 1.705^2 +\frac{1}{2} \times 6.2 \times 10^{-3} [\frac{1.705}{0.061}]^2 + E_l

solving for energy loss

E_l = 1.713 J

3 0
3 years ago
Hi, i know that this isnt neces sary. but can anyone request a ga mes for me, im bo red. thankyou. ​
Stella [2.4K]

Answer:

genshin impact. the same level. and AdCap

5 0
3 years ago
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