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2 years ago

Which of these statements best describes a similarity between the two galaxies?

2 answers:

8 0

Elliptical and Spiral have some similarities, they both are huge and contain lost of dust and also they are held by gravitational forces.

olasank [31]2 years ago

3 0

Answer: The correct statement is both are held together by gravitational forces.

Explanation:

Galaxies are defined as the system which contain millions or billions of stars bind together by gas or dust and held together by gravitational forces.

There are three types of galaxies: elliptical, spiral and irregular shaped. All the galaxies have different shapes of centers. Some may have elongated centers, some can shape like bars.

The galaxies do not change their shape from time to time. Minor changes might be seen but change is shape does not happen.

Hence, the correct statement is both are held together by gravitational forces.

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The number of electrons an atom would gain or lose when forming ionic bonds. It can be positive, negative or zero.

vaieri [72.5K]

Answer:

In an ionic bond , an element will have to lose or gain electrons.

Explanation:

Ionic bond, also called electrovalent bond, type of linkage formed from the electrostatic attraction between oppositely charged ions in a chemical compound.
Such a bond forms when the valence (outermost) electrons of one atom are transferred permanently to another atom.
The atom that loses the electrons becomes a positively charged ion (cation), while the one that gains them becomes a negatively charged ion (anion).

∴

The number of electrons an atom would gain or lose when forming ionic bonds cannot be zero.

8 0

2 years ago

Rainfall occurs on the earth due to effect of gravity

Anna [14]

Answer:

Because Gravity is the force of attraction between two objects, and Earth's gravity pulls matter downward, toward its center. It pulls precipitation down from clouds and pulls water downhill. Gravity also moves air and ocean water. ... Gravity pulls denser air and water downward, forcing less dense air and water to move upward.

Carryonlearning

3 0

2 years ago

If you're studying the science of sound, you're studying____?

timurjin [86]

The study of sound is called sonics and the study of sound waves are acoustics

3 0

3 years ago

a cruise ship travels directly toward the dock with a velocity of 15 m/s relative to the water. A passenger walks 3 m/s in the s

solong [7]

Answer:

Explanation:

i believe a if not c

4 0

2 years ago

Which automobile is faster a chevrolet or a ford? Also explain pls

antiseptic1488 [7]

Answer:

depends on what type of car it is

Explanation:

6 0

2 years ago

Read 2 more answers