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9966 [12]
3 years ago
9

Which statement is correct about the conclusions of historical events? A) Historical event conclusions can be tested using the s

cientific method. B) Historical event conclusions are repeatable. C) Historical event conclusions are limited to evaluating existing evidence. D) Historical event conclusions can be observed in a laboratory setting.
Chemistry
2 answers:
kow [346]3 years ago
6 0

Answer: Historical event conclusions are limited to evaluating existing evidence.

Explanation: Historical events can be best understood by the examining the evidences discovered from different sites. That evidences may be present in the form manuscripts, literature, etc. And sometimes it is present in the form of fossils. Radio carbon dating is used to determine the age of such fossils which tells us about various conditions of that time when we examine it.

BARSIC [14]3 years ago
4 0

C is the correct answer I believe


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The specific heat of wood is 2.03 J/g.°C. How much
Brilliant_brown [7]

Answer:

11419 J/g/ 11.419 KJ/g

Explanation:

H=MCQ

H=225×2.03×(-15-10)

H=225×2.03(25) Note; negative sign is of no use

H=11419J/g

3 0
3 years ago
In order to keep the bench from conducting heat, Shane could build it out of _______.
lara31 [8.8K]

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

                  Hello!

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

❖ In order to keep the bench from conducting heat, Shane could build it out of wood. Wood doesn't conduct heat so this would work best for Shane.

~ ʜᴏᴘᴇ ᴛʜɪꜱ ʜᴇʟᴘꜱ! :) ♡

~ ᴄʟᴏᴜᴛᴀɴꜱᴡᴇʀꜱ

8 0
3 years ago
Read 2 more answers
Based on the chemical bonds present in this molecule, we would classify it as a(n)
MrMuchimi

Answer is C – Unsaturated fat.

Fats are large molecules basically made from a combination of glycerol and three chains of fatty acids. Usually fats consist of C, H and O. According to the C – C bond, there are two types of fats as saturated fats and unsaturated fats. Saturated fats have only C – C single bonds and all C atoms are sp³ hybridized atoms. But in unsaturated fats other than C – C single bonds there are C – C double bonds. Hence, both sp³ and sp² hybridized C atoms can be seen.


8 0
3 years ago
Read 2 more answers
Balance the following chemical equations
jok3333 [9.3K]

Answer:

2N2 + O2 ⇒ 2N2O

Explanation:

Since I cannot see the product's of the second chemical equation I will only solve the first one.

In order to balance a chemical equation you need to make sure that the atoms on both sides are equal.

In this case we have...

N2 + O2 = N2O

N = 2

O = 2

N = 2

O = 2

Change the coefficient:

N2O = 2N20

2 × 2 = 4

1 × 2 = 2

2N2 + O2 ⇒ 2N2O

Hope this helps.

4 0
2 years ago
i got a 9/10 on my science quiz today:D it was open notebook so it was easy. THEN i took another quiz and got 10/10!!! :DD
maw [93]
Good job!!!!
Explanation: congratulations
7 0
3 years ago
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