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slavikrds [6]
3 years ago
9

Anybody help?! please

Chemistry
1 answer:
Mashutka [201]3 years ago
3 0
J.j Thomson electrons demo true indivisible sphere n Ernest central nucleas
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9. Sodium reacts with water to produce sodium hydroxide and hydrogen gas, as shown below.
saveliy_v [14]

Answer:

B

Explanation:

2Na + 2H2O2==NaOh + H2

184/23=x/18

x=(184×18)/23

x=144g

4 0
3 years ago
Why is pseudo science not considered real science
swat32

Pseudo-science is not considered real science because it is not testable.

Answer:  Option A

<u>Explanation:</u>

Pseudoscience primarily includes beliefs, theories or practices that are somehow incompatible with the scientific facts. The pseudoscience can’t be tested on the basis of science.

Let’s take an example of astrology. Some people believe that stars and other celestial bodies draw a significant impact on their life i.e. Good or bad thing it's just because their stars are working either in a positive or negative manner.

But, this belief doesn’t have any well-proved or authentic background over which the whole concept can rely on. Hence, pseudoscience is not taken as a real science as a lack of strong proves.

8 0
3 years ago
The fossil record provides evidence of past life as well as clues to the past climate, environment, and abiotic factors in an ar
murzikaleks [220]
That is true because fossils can tell many things. 
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Minerals can be easily identified by their?
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Im pretty sure it would be d.
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