This important factor of survival for the coral reef is
a:symbiotic
b: abiotic
c: biotic
D:parasitic

Explanation:

Friction is a force that offers resistance to movement when one object is in contact with another

Answer:

Friction is a force.

Explanation:

Have a wonderful day.

Explanation:

1. Height Relatives to reference point, Mass, and strength of the gravitational field it's in

2. Distance in the magnetic field

She is probably suffering from a major depression. Depression results in emotional change and loss of interest in previously appreciated activities.

Depression is a frequent and significant medical ailment that has an adverse effect on how you feel, think, and act. It can cause a number of mental and physical difficulties, as well as a loss in your ability.

According to epidemiological research, a hereditary element is involved in 30% to 40% of instances of bipolar illness. As a result, environmental influences have a larger role in the development of depression.

Maria's mother was deported 6 months ago, and she is staying with a cousin. She has to share a room with 3 other children and is very discouraged.

She has little energy to do much of anything, and she cries a lot, she is probably suffering from a major depression.]

Hence, option A is correct.

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Answer:

a

Explanation:

occurs when the crest of one wave meets the trough of another wave as they travel from two different points in the same direction and at the same frequency

Answer:

55 degrees

Explanation:

A ray of light strikes a plane mirror at an angle of incidence. The angle between the incident ray and the reflected ray is 70°. The correct option is A.

The law states that angle of incidence of the incident ray is equal to the angle of reflection through a plane surface.

Here, angle of incidence of light on a plane mirror is 35°, then the angle of reflection will also be 35°.

i = r = 35°

Then the angle between the incident ray and the reflected ray will be

i +r = 35 + 35 =70°

Thus, the correct option is A.

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Answer: I didnt understand it sorrryryyyyyyy

Explanation:

Answer:

a person pushes a 125 kg

Explanation:

The total translational kinetic energy of the object is 122.5 J.

Kinetic energy is defined as the energy possessed by a body by virtue of its motion.

Here,

Mass of the object, m = 125 kg

The final velocity of the object, v = 1.4 m/s

It is given that the object was initially at rest on a frictionless surface. When the object was pushed by the person, it gained some amount of kinetic energy and ended up with a final velocity of 1.4 m/s.

So, the expression for total translational kinetic energy of the object is given by,

KE = KEf + KEi

KE = 1/2m(v² + u²)

Since, the object was initially at rest, the initial velocity,

u = 0

Therefore, the kinetic energy of the object,

KE = 1/2 mv²

KE = 1/2 x 125 x (1.4)²

KE = 122.5 J

Hence,

The total translational kinetic energy of the object is 122.5 J.

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Answer:

Energy can be transferred from one storage mechanism to another.

Answer:a stro

Explanation:

A magnet can generate an electric current in a wire if the magnet is close enough to the wire and if the magnet is also in motion. The correct answer is D) in motion.

When a magnetic field is in motion with respect to a conductor, such as a wire, it induces an electric current in the wire. This is because the changing magnetic field creates a changing electric field around the wire, which causes electrons to flow. The induced electric current is proportional to the rate of change of the magnetic field. This consequence is known as electromagnetic induction.

The strength of the magnetic field does affect the magnitude of the induced electric current, but the magnetic field must be in motion in order to generate an electric current.

A weak magnetic field can still generate an electric current in a wire if it is in motion with respect to the wire.

If a magnetic field is at rest, it will not induce an electric current in a wire. The magnetic field must be in motion in order to generate an electric current.

Thus, the correct answer is D) in motion.

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Answer:

This answered one of my questions, thanks

Explanation:

Answer:

the answer is NO regardless of gravity, you will always weigh the same.

Explanation:

Look up about 3 centimeters ⬆️

Answer:

according to big bang theory our galaxy was formed 13billion years ago and then made the stars and galaxies we see today. ... The universe began as a very hot, small, and dense superforce (the mix of the four fundamental forces), with no stars, atoms, form, or structure (called a "singularity).

Answer:

plant cell's vacuole can make up 90% of the cell's volume. The large central vacuole essentially stores water. In animal cells, vacuoles are much smaller

Answer: I think layered cake.. if I’m wrong sorry

Explanation:

I guessed

Answer:

The lower fixed point, or ice point, is the temperature of pure melting ice at normal atmospheric pressure. Hopes this helps.

Explanation:

Answer:

The "solid force"? ... The direction of the force always seems to be coming out of the solid surface. A direction which is perpendicular to the plane of a surface is said to be normal. The force that a solid surface exerts on anything in the normal direction is called the normal force.

Explanation:

i think i hope this helps

Answer:

1. True

2. False

3. True

4. True

5. False

Answer:

I think it is + and + I could be wrong but I hope it helps

I would say the Common Cold because it's the main reason why kids and adults miss school or work.

I hope this helps <3 :)

(also  please mark brainliest if you want to)

Answer:

For more than a decade, heart disease and cancer have claimed the first and second spots respectively as the leading causes of deaths in America. Together, the two causes are responsible for 46% of deaths in the United States. There is donation center's to help fight back against cancer and heart diseases, There are also of course places you can go to become a organ donner if there is no saving you from something... Hope this helps^_^

Explanation:

plz give brainliest and rating

Answer: Downwards

Explanation: Upwards is only at the start of a thunderstorm when air moves towards the poles. During the mature stage, air moves down towards the equator.

Answer:

70 m/s

Explanation:

The frequency of earthquake = 2.0 Hz

The wavelength = 35 m

How fastbthw earthquake is t traveling is given bythw velocity of the wave, velocity of wave is related to frequency and wavelength using the formula :

V = frequency * wavelength

V = 2 * 35

V = 70 m/s

Answer:

The ways to change the total energy are to either make the hill taller to increase it or make the hill lower to decrease the total energy.

Explanation:

The total mechanical energy of a system is the sum of the total kinetic energy and total potential energy.

Answer:

Percent of Female Workers = 40%

Explanation:

The percentage of the female workers in the given group of workers can be easily found by the following formula:

[tex]Percent\ of\ Female\ Workers = \frac{No.\ of\ Female\ Workers}{Total\ No.\ of\ Workers}\ x\ 100\%[/tex]

where,

Total No. of Workers = 1200

No. of Female Workers = Total Workers - No. of Male Workers

No. of Female Workers = 1200 - 720 = 480

Therefore,

[tex]Percent\ of\ Female\ Workers = \frac{480}{1200}\ x\ 100\%[/tex]

Percent of Female Workers = 40%

Mass of the bird(m) = 150 g = 0.15 kg

Speed (v) = 10 m/s

Kinetic Energy = [tex]\frac{1}{2}m v^{2} = \frac{1}{2} 0.15 (10)^{2}[/tex] = 7.5 J

Altitude (h) = 15 m

Gravitational Potential Energy = (0.15)(9.81)(15) = 22.0725 J

Mechanical Energy = Kinetic Energy + Potential Energy = 7.5 + 22.0725

= 29.5725 J

Answer: happy Ramadan

Explanation: thanks

Answer:

They are theories which have a really dark twist or meaning behind the whole theory, some conspiracy theories can also lead to a cliffhanger.

Answer:

Average acceleration of the car is 1.167 m/s^2

Explanation:

The speed of car with which it is travelling is 12 m/s

As the driver accelerates the car, the speed reaches 26 m/s

The change in speed in 12 seconds is

26 -12 = 14 m/s

Average acceleration is change in speed divided by time

[tex]\frac{14}{12} \\1.167[/tex] m/s^2

The spring constant for a spring is stretched 0.15 m and the force was 1500 N is 10000.

The spring constant, k, is a measure of the spring's stiffness. It varies depending on the spring and material. The greater the spring constant, the stiffer the spring and more difficult to stretch.

The letter k symbolizes the "spring constant," which is a number that tells us how "stiff" a spring is.

If k is large, it means that more force is required to stretch it a certain length than would be required to stretch a less stiff spring the same length.

We know that,

F = k(x)

Where k is the spring constant.

Here, it is given that:

F = 1500N

x = 0.15m

So,

1500 = k (0.15)

k (0.15) = 1500

k = 1500/0.15

k = 150000/15

k = 10000

Thus, the value of spring constant is 10000.

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