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ludmilkaskok [199]
3 years ago
15

What are the eight most common elements in the earth's crust?

Geography
1 answer:
zzz [600]3 years ago
6 0
Oxygen (O)
Silicon (S)
Aluminum (Al)
Iron (Fe)
Calcium (Ca)
Sodium (Na)
Magnesium (Mg)
Potassium (K)

Hope that helped :)
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Which croatian city is geographically removed from the rest of the country?
kupik [55]

Answer:

At the same time, Dubrovnik became a cradle of Croatian literature. The entire city was almost destroyed when a devastating earthquake hit in 1667.

6 0
2 years ago
What have scientists used to build a chronology of earths past
eduard
Hi,

Scientists have used rock samples to date the Earth's past. They also might use Steno's principles. 

Relative dating is the determination of the age of a rock or geological event by comparing with other rock/ geologic events. Absolute dating is a form of geologic dating that gives an actual date or age in history that the item was formed or died in years. 

Steno's principles are: 

Law of superposition - Bottom layer is the oldest, top layer of the youngest In undisturbed layers of sedimentary rock or magma.

Original horizontally - When sedimentary rock layers form, they are "created in a horizontal form.

The Principle of Lateral Continuity -<span> States that layers of sediment initially extend </span>laterally<span> in all directions.


Faith xoxo



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5 0
3 years ago
What is true about using multiple sources of information on a topic?
Alina [70]

Answer:

Look at several different sources in order to understand topics comprehensively instead of basing your reactions only on one source. Using a variety of sources can diminish the effects of bias—the preference of one view over another.

6 0
2 years ago
Can anyone help me with this African map test? Pleasee
Fiesta28 [93]

Answer:

1. Egypt

2. South Africa

3. Libya

4. Sudan

5. Kenya

6. Nigeria

7. ?

8. Rwanda

9. Arabian Sea

10. Strait of Gibraltar

11. I don't see it??

12. Sahara Desert

13. Sahel

14. Cape Town

15. ?

16. Lake Victoria

17. Atlantic Ocean

18. Indian Ocean

19. Mediterranean Sea

20. Niger River

21. Congo River

22. Nile River

23. Cairo

24. Pretoria

25. Mt. Kilimanjaro or Nairobi?

26. Lagos

27. I don't see 27??

28. Rabat

Explanation: I'm going to do some more research lol

3 0
2 years ago
A population of mice has black or brown hair. The gene for black hair color (B) is dominant over brown (b). If 16% of the mice a
amm1812

B = 0.4

b = 0.6

Explanation:

From the question we derive that;

BB = 16%

Bb = 24%

The gene frequency for BB = 16/100 = 0.16

To find allelic frequency of B;

B = √0.16 = 0.4

Remember Hardy Weinberg rule that all allelic frequencies of a gene must sum up to 1;

p + q = 1

If p = 0.4

q = 1 – 0.4 = 0.6

b = 0.6

Learn More:

For more on allelic /genetic frequencies check out;

brainly.com/question/9916141

brainly.com/question/12021027

#LearnWithBrainly

8 0
3 years ago
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