Which of these oceanic landforms is similar to a canyon?A) valley
B) seamount
C) ocean trench
D) the mid-ocean ridge

Answers

Answer 1
Answer:

Answer:

Option (C)

Explanation:

The oceanic trenches are often defined as those long and narrow type of depressions that are formed at the seafloor, along a convergent plate boundary between two oceanic plates or continental and an oceanic plate.

Canyons are the erosional features that are formed due to the down-cutting of the surface rocks by a deep and narrow type of river channel, giving rise to the formation of steep cliffs on both the sides of the channel.

Both these features are similar in appearance but oceanic trenches are formed at the bottom of the ocean whereas canyons are formed at the surface of the earth.

Thus, the correct answer is option (C).

Answer 2
Answer: The answer should be c) ocean trench since they are both like very large cracks in the ground that expand down and back up again. Sorry if I don't make much sense, just trying to reach the minimum amount of characters :)

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How are galaxies classified? 20+ POINTS

If an organism starts from only one cell,how do we get different body parts and organs

Answers


Every cell has chromosomes in its nucleus.  In a human cell,
there are 26 of them. AND ... lined up on every chromosome
are thousands and thousands of GENES.  Those carry the
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Astronomy can best be described as a/an

Answers

as·tron·o·my- the branch of science that deals with celestial objects, space, and the physical universe as a whole. That's the definition hope it is what you need and that it helps:)
The study of heavenly bodies. 

How that differs from astrophysics, astro dynamics, cosmology, etc., I'm not entirely sure.

An airplane is flying at a constant velocity through the air. What is the relationship between the magnitudes of the four forces shown in the diagram? A. L = W; F < D
B. L = W; F = D
C. L = W = F = D
D. L = W; F > D

Answers

Answer:

(B) L=W; F=D

Explanation:

Since the airplane's velocity is constant, the airplane is not accelerating in any direction. In absence of acceleration, all forces acting on the plane are balanced so that the net forces in the horizontal and the vertical directions are zero. Given the drawing, this implies that

Forward force = Drag force (F=D)

Weight = Lift (W=L)

which corresponds to option (B)

(it is not C because nothing in the text says that the vertical and horizontal components have to have same magnitude)

Final answer:

The relationship between the magnitudes of the forces is that lift force is equal to weight force, and drag force is equal to thrust force.

Explanation:

In this scenario, the airplane is flying at a constant velocity, which means that its acceleration is zero. According to Newton's first law of motion, if an object is moving with a constant velocity, the net force acting on it is zero.

Therefore, the relationship between the magnitudes of the four forces shown in the diagram is that the lift force (L) is equal to the weight force (W), and the drag force (D) is equal to the thrust force (F).

So, the correct answer is C. L = W = F = D.

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A spring (k = 20 N/m) sits on a frictionless surface. The spring is compressed 20 cm and a 2 kg mass is placed before the spring and released from rest. How much time passes between the time that the mass is at the point x = 0 m and x = 2.0 m? A.) 4.34s B.) 1.42s C.) 2.48s D.)0.23s E.)none of the above

Answers

Answer:

E.)none of the above

Explanation:

Elastic energy = kinetic energy

½ kx² = ½ mv²

v = x √(k / m)

v = 0.2 m √(20 N/m / 2 kg)

v = 0.632 m/s

Time to travel 2.0 m:

t = (2.0 m) / (0.632 m/s)

t = 3.16 s

Why are frying pans usually made out of metal?

Answers

We need heat to cook food. So, frying pans need to be a good conductor of heat. Since, metals are good (best) conductor of heat, frying pans are made out of metals.
Frying pans see usually made out of metal because metal is a great conductor of heat. The food can then cook faster. Why is metal a good conductor? it is because the molecules are tightly packed together, allowing the heat to travel through quickly

Why are most cells 70 percent water?

Answers

Cells are the units that together make the organism. Most of the cells are 70% water as it is the most abundant molecule that makes the cytoplasm and organelles.

What is a cell?

A cell is a structural organization that is composed of various organic, and inorganic substances that also have water as the most abundant molecule. It is the most important component that is needed for cellular and metabolic reactions.

It makes the cytoplasm of the cell that occupies most of the cell portion. Water is the most important reactant and the product of the photosynthesis and respiration processes of plant and animal cells.  Water is needed by the cell to transport the nutrients and the waste, and even in cell signaling.

Therefore, cells are made of 70% water as the component.

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because most of the chemical reactions that happen in your metabolism happen in water.