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liraira [26]
2 years ago
15

How can fossil records be useful to determine the relative ages of rock layers and other fossils?

Chemistry
1 answer:
Bingel [31]2 years ago
6 0

Answer:

If the same index fossil is found in different areas, the strata in each area were likely deposited at the same time. Thus, the principle of faunal succession makes it possible to determine the relative age of unknown fossils and correlate fossil sites across large discontinuous areas.

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Convert the temperature of the coldest area in freezer, -10 fahrenheit, to degrees celsius and kelvin.
babunello [35]

Answer : The temperature in degree Celsius and Kelvin are, -23.33^oF\text{ and }249.82K

Explanation :

The conversion used for the temperature from Fahrenheit to degree Celsius is:

^oC=(^oF-32)\times \frac{5}{9}

where,

^oF = temperature in Fahrenheit

^oC = temperature in centigrade

The conversion used for the temperature from degree Celsius to Kelvin is:

K=273.15+^oC

where,

K = temperature in Kelvin

^oC = temperature in centigrade

As we are given the temperature in Fahrenheit is, -10

Now we have to determine the temperature in degree Celsius.

^oC=(^oF-32)\times \frac{5}{9}

^oC=(-10^oF-32)\times \frac{5}{9}

^oC=-23.33

Now we have to determine the temperature in Kelvin.

K=273.15+^oC

K=273.15+(-23.33^oC)

K=249.82

Therefore, the temperature in degree Celsius and Kelvin are, -23.33^oF\text{ and }249.82K

5 0
3 years ago
Read 2 more answers
What kind of chemical reaction does the chemical equation sodium plus chlorine --> sodium chloride represent?
Nuetrik [128]

Chemical reactions convert reactants to products, whose properties differ from those of the reactants. Chemical equations are a compact and convenient way to represent chemical reactions. They have the general form

Reactant(s) → Product(s)

The arrow in the equation means "changes to" or "forms." The reaction of gaseous nitrogen with hydrogen to produce ammonia, NH 3 , is represented by the chemical equation

Although there are thousands of chemical reactions, a significant number of them, especially those that are not organic reactions, can be classified according to four general patterns: combination, decomposition, displacement, and exchange.


Read more: http://www.chemistryexplained.com/Di-Fa/Equations-Chemical.html#ixzz4XjnDFUrK

8 0
3 years ago
Based on the experiment, do you think birds can just wash off the oil with water? Explain your answer.
ankoles [38]

Answer:

No

Explanation:

as it would stay sticked on them forerver amd a time of 2 months it will kill them

7 0
2 years ago
Read 2 more answers
Complete the sentences to explain what a similar treatment would predict for the effective nuclear charge on boron valence elect
dsp73

Answer:

ZcH's electrons = 5-2 = +3.

ZcH for inner electrons = -5 - 0 = +5.


Explanation:

Boron 1s² 2s² 2p

As, 2s ⇒ 2.58.

2p ⇒ 2.42.

Electrons = +3.

Greater than 2 cm = 0.35

Slightly greater than +3 .

8 0
3 years ago
How is salt water classified?
docker41 [41]
Salt water is considered a compound since water is H20 (conpound) and Salt with is NaCl.
4 0
3 years ago
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