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abruzzese [7]
4 years ago
10

The scientific explanation that suggests the universe is expanding relies on two main concepts _____.

Biology
2 answers:
frosja888 [35]4 years ago
6 0
The doppler effect and redshift.
Nataliya [291]4 years ago
3 0

Answer:

The correct answer is red shift and Doppler effect.

Explanation:

The Doppler Effect was used by Hubble to demonstrate that the universe was expanding. According to the effect, the light from the far-off galaxies was shifted towards the lower frequencies, that is, towards the red end of the spectrum. This is known as the Red-shift or the Doppler shift.  

It was in 1925, Edwin Hubble witnessed Red-shift. He observed that the redshift of galaxies was directly equivalent to the distance of the galaxy from the Earth. This signifies that the things distant away from the planet Earth was moving away at a quicker rate, and thus, it can be concluded that the universe is expanding.  

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Process of a structure of a specialized cell.
ikadub [295]

Answer:

Specialized cells are the cells though they are similar, but cells differ in size, shape and depending upon their function in body.

Example of specialized cells are: Blood cells, Nerve cells, Reproductive cells.

Tissues are made up of specialized cells, those tissues make up organs, organs make up system and systems make up bodies.

3 0
3 years ago
How many protons and electrons does Calcium have?
alexandr402 [8]

Answer:

Ca has 20 protons, so neutral it would have 20 electrons, but according to the charge, 2 electrons have been lost.

Explanation:

3 0
3 years ago
5 factors that affect weather: geographic location/latitude altitude/height above sea level, ocean currents/large lakes, winds,t
Igoryamba

The statement is - True.

The five main factors that determine the weather at a certain place are the:

- geographic location/latitude

It determines the amount of sunlight, as well as the concentration of sun rays, which directly influences the temperature.

- altitude/height above sea level

The lower the place the warmer it is, the higher the place the colder it is, it is a simple rule that applies for all places on the planet, compared with places in their surroundings.

- ocean currents/large lakes

The ocean currents can bring cold and dry or warm and wet air masses, depending on what kind of an ocean current it is. The water also contributes to a more stable weather, with more moderate temperatures because of the thermal properties of the water to cool of and warm up slower than the land.

- winds

The air masses can bring cold and dry or warm and wet weather, so they influence the temperature and precipitation of a place.

- topography

Determines how much a place is exposed to the sunlight and the movement of the air masses.

6 0
3 years ago
Select the correct statement about cellular respiration.
weeeeeb [17]

I dont want to mislead you, but I believe the answer is A because letter B is wrong because plants go through cellular respiration and photosynthesis, whereas animals go through cellular respiration but not photosynthesis, and for C, I've never heard of that so it doesnt seem likely.

6 0
3 years ago
Can someone help me on this plz? Thanks!
VLD [36.1K]

Answer:

D!

Explanation:

4 0
3 years ago
Read 2 more answers
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