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Rina8888 [55]
4 years ago
5

These three african nations all have coastlines on the red sea

Geography
1 answer:
yawa3891 [41]4 years ago
6 0
<span>The coastline of the red sea that are African nations are Egypt Sudan and Eritrea. A red sea is the saltiest sea in the world and it is connected to the ocean without passing any river. The term "red" is due to the cyanobacteria that composes in that sea which is in color red.</span>
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Please help me I really don't understand :(
Bess [88]
I can’t see it. All I see is white
6 0
3 years ago
Voyager I is now about 110 AU from Earth, continuing to record its environment as it approaches the limits of our Solar System.
Monica [59]

Answer:

Answered

Explanation:

(i) 1 Astronomical Unit (A.U.) = 1.496 x 10^8 Km.

Therefore, distance of Voyager I from Earth = 71 AU = 71 x 1.496 x 10^8 = 1.062 x 10^10 Km.

(ii) The nearest star to Earth than sun is the Proxima Centauri in the Alpha Centauri system. The Proxima Centauri is 4.22 light years away from Earth.

As, 1 Light year = 63241.1 AU

The distance of the Proxima Centauri from Earth = 4.22 x 63241.1 AU = 266877.3 AU

The distance of the Voyager I from Earth = 71 AU

The number of times the distance of the Proxima Centauri from Earth is greater than that of Voyager I is = 266877.3 / 71

= 3758.835 times.

(iii) Speed of light is 1.079 x 10^9 Km/hr

Light travels 1.079 x 10^9 km in 1 hr

Therefore, 1. 062 x 10^10 Km is traveled by light in = (1.062 x 10^10) / (1.079 x 10^9) hr = 9.84 hours

That means when Voyager I was 71 AU from Earth, a observational data from Voyager I at the speed of light took 9.84 hours to reach Earth.

5 0
3 years ago
Other researchers have been investigating another potential link between global climate change and ragweed allergies. They hypot
AveGali [126]

Answer:

First it is important to clarify that your question is incomplete, I do not see the graph you are talking about ..

Although faced with the situation, I took the trouble to investigate in medical pages on this subject, and I conclude that the hypothesis of the doctors is correct ...

Because greater global warming, lower partial pressures of oxygen in the atmosphere (therefore those people who had difficulty breathing will be more affected), greater pollutants in the environment (greater hypersensitivity reactions in allergy sufferers), and the seasons of Heat spread, therefore the pollination processes also and it is there where there is connection with allergies due to ragweed.

Explanation:

Allergies are increased immunological reactions against an antigen, so I added to your question that ambrosia pollen generates more allergies in the respiratory tract than at the cutaneous level, that is why it cooperates with other alterations that environmental contamination generates.

The greater the contamination, the greater the presence of allergies or the longer the allergies will be.

5 0
3 years ago
What term means that a mineral cannot form from materials that were once part of a living thing?
Vinil7 [7]

inorganic- This means that the mineral cannot form from materials that were once part of a living thing.

4 0
2 years ago
How did the buffalo play a role in the hostilites between the indians and the white man
Norma-Jean [14]

Answer: the indians and white men would have conflict with buffaloes because they would both hunt for food and it was basically a first come first serve

Explanation: pretty sure ‍♂️

5 0
1 year ago
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