Which of these lists bodies in order, from CLOSEST to FURTHEST from the Earth? A) moon, sun, near edge of milky way, center of milky way B) near edge of milky way, moon, center of milky way, sun C) sun, moon, center of milky way, near edge of the milky way D) moon, sun, center of milky way, near edge of the milky way

Answers

Answer 1

Answer:

The answer option which lists celestial bodies in order, from closest to furthest from the Earth is: A) moon, sun, near edge of milky way, center of milky way.

A planet can be defined as a large celestial body that has sufficient mass to allow for self-gravity and make it assume a nearly circular shape (hydrostatic equilibrium).

Basically, a planet revolves in an orbit around the Sun in the solar system and has a cleared neighborhood.

In Science, planets are broadly grouped into two (2) main types and these are;

I. Inner planets: these planets are closest to the Sun and comprises Mars, Mercury, Venus, and Earth.

II. Outer planets: these planets are mainly located beyond the asteroid belt and includes Uranus, Jupiter, Neptune, and Saturn, from left to right of the solar system.

On the other hand, a list of the celestial bodies in order, from closest to furthest from planet Earth are:

Moon: its distance from planet Earth is about 405,696 kilometers.

Sun: its distance from planet Earth is about 149,597,870 kilometers.

Near edge of milky way: its distance from planet Earth is about 1,000,000,000,000,000,000 kilometers.

Center of milky way: is the farthest from planet Earth.

Answer 2

Answer: A) would be correct.

The moon is right next to Earth.

Earth orbits around the sun.

Our solar system is at the edge of the Milky Way. So the edge of the Milky Way would be nearer than the center.

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which one of these is caused by gravity? A. frost wedging. B. mass wasting. C. Aeolian bands. D. Glaciation

Answers

Answer: Option (b) is correct.

Explanation:

Frost wedging occurs at extremely cold weather where continuously water seeps into the cracks, freezes and expands causing a break into the rock.

Mass wasting is the downward movement of sand, soil, and rocks due to the force of gravity. Mass wasting occurs because the gravitational force acting on the slope becomes greater than its resisting force.

Aeolian bands are related to the wind force because of which the sand and other particles move form one place to another.

Glaciation is the process of occurrence of glaciers and the formation of shape of the landscape around them.

Thus, it can be concluded that mass wasting is caused by gravity.

This runner completed a 100 meter race with a time of 13.75 seconds. what was her average speed

Answers

Taking into account the definition of speed, you get that the average speed of the runner is 7.27 $(m)/(s)$ .

It is necessary to know that speed is a physical quantity that expresses the relationship between the space traveled by an object and the time used for it.

In other words, speed can be defined as the amount of space traveled per unit of time with which a body moves and can be calculated using the expression:

$Speed= (distance traveled)/(time)$

In this case:

distance traveled= 100 meters
time= 13.75 seconds

Replacing these values in the speed definition:

$Speed= (100 m)/(13.75 s)$

Solving:

Speed= 7.27 $(m)/(s)$

In summary, the average speed of the runner is 7.27 $(m)/(s)$ .

Learn more about average speed:

Answer: 7.27 m/s

Explanation: The average speed of an object in an interval of time is the distance traveled by the object divided by the duration of the interval.

Distance traveled= 100 m

Time taken = 13.75 s

Average speed= $\frac{\text {distance traveled}}{\text {Time taken}}$

Average speed= $(100m)/(13.75s)=7.27m/s$

What do chemical equations show?

Answers

They show basically the chemical reaction of elements broken down into each element and their quantity, and how the elements bond to form the compound.

how is it possible for two parents who both express the dominate phenotype to have offspring with the recessive phenotype?

Answers

A phenotype is what you look like. The parents are showing the dominant phenotype. If we were talking about eye color, the dominant trait is brown eyes. However, the parents might have a recessive gene which is covered by the dominant one. Say they both have Bb genotypes. The capital B is brown and the lower case is blue. Their blue gene is still there, just covered by a brown one. In a punnett square, there is a 25 percent chance a child will have blue eyes (bb) In most cases, the children will end up will brown eyes. Hope that helps!

What is happening within the system when it is at equilibrium in terms of concentration, reactions that occur, and reaction rates? 2CH4(g) <--> C2H2(g) + 3H2(g)

Answers

Answer and Explanation:

It is worthy to be mentioned that the equilibrium in this reaction is dynamic equilibrium.

In terms of concentration: the concentration of reactants (CH4) and products (C2H2 & H2) do not change and be constant at the equilibrium, that 2 moles of CH4 give one mole of C2H2 and 3 moles of H2.
In terms of reactions that occur: the reactions that occur at the equilibrium are the forward and the reverse reaction. The forward reaction: 2CH4 → C2H2 + 3H2 and the reverse reaction: C2H2 + 3H2 → 2CH4.
In terms of reaction rates: At equilibrium the rate of the forward reaction is equal to the rate of the reverse reaction.

Answer:

In a chemical reaction equilibrium is in the state which reacts with both products and reactants. Both reverse and forward are happening and both reaction rates forward and reverse are equal.

Explanation:

This is what i put and i got it right.

Three students made multiple weighings of a copper cylinder, each using a different balance. Describe the accuracy and precision of each student’s measurements if the correct mass of the cylinder is 47.32 g.

Answers

Accuracy is the closeness of a measurement to its true value. Precision is the closeness of more than one measurements to each other. The measurements of Lamant is both accurate and precise while the scale of Colin is the opposite. Kirvin is precise but he is not accurate.

Final answer:

Accuracy relates to how close a measurement is to the true value, whereas precision refers to how similar multiple measurements are to each other. Assuming Student A's measurements were close to 47.32g and each other, they were both accurate and precise. Student B's would be imprecise but precise if they were not close to 47.32g but close to each other, while Student C's measurements would be neither if they were scattered and not close to 47.32g.

Explanation:

In Physics, when we discuss measurements, two important concepts come up: accuracy and precision. Accuracy refers to how close a measurement is to the actual, true value, in this case, 47.32g. Precision, on the other hand, signifies how close several measurements are to each other, irrespective of how accurate they are.

For each student's weighings:

Student A's measurements were all very close to 47.32g, porvided they were also close to each other, then their measurements were both accurate and precise.
Student B's measurements were not close to 47.32g, but were very close to each other, then their measurements were imprecise but precise.
Student C's measurements were all over the place and not at all close to 47.32g, then their measurements were neither accurate nor precise.

Learn more about Accuracy and Precision here:

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