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dangina [55]
3 years ago
13

What would be the correct order of least(floats) to most(sinks) density?*

Chemistry
1 answer:
olya-2409 [2.1K]3 years ago
5 0

Answer:

B

Explanation:

Water-Continental-Oceanic-Mantle

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What compound was formed by the reaction of the first oxygen released by cyanobacteria and iron?
castortr0y [4]
The compound that was formed by the reaction of the first oxygen released by Cyanobacteria and iron are the metals of the earths crust. Cyanobacteria was the first organisms that used water instead of hydrogen sulfide or other compounds as a source of electrons and hydrogen for fixing carbon dioxide. Early Cyanobacteria inhabited marine sediments where Archean banded iron formations were deposited; consisting of reddish layers rich in iron oxide. 
7 0
3 years ago
1. What are the two effects of the continental plate/continental plate convergent boundary?
weeeeeb [17]

Answer:

Answer 1: The correct answer is b. convergent continental-continental boundary.

A convergent continental-continental boundary refers to a convergent plate boundary where two continental plates meet or come together. When this happens, a forceful collision occurs, and structures like mountains start to form. The Himalaya mountain range is formed as a result of the convergence of the Indian and Eurasian continental plates.

Answer 2: The correct answer is d. convergent oceanic-oceanic boundary.

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8 0
3 years ago
A student assistant is cleaning up after a chemistry laboratory exercise and finds three one-liter bottles containing alcohol so
Svetllana [295]

The approximate alcohol content is 210 ml.

Explanation:

It can be deduced from the question that each bottle is of 1000ml or 1 litre.

The first bottle is one half full means it has 500 ml of solution and it has 20% alcohol in it. So volume of alcohol in the solution is

20/100*500

=100 ml

The first bottle is one fifth full, so the volume of mixture is 1/5th of 1000ml

so it is 200ml having 30% alcohol

30/100*200

= 60 ml

The third bottle is one tenth full so its volume is 1/10*1000

100 ml.  having 50% of alcohol

50/100*100

50 ml.

The alcohol content obtained from all these 3 litres is:

100+60+50

= 210 ml of alchohol is obtained from 800 ml of mixture.

3 0
3 years ago
Are normal salts acidic, basic or neutral salt?
lorasvet [3.4K]

Answer:

neutral idk

Explanation:

6 0
3 years ago
Read 2 more answers
There are how many electrons in 1 neutral atom of copper?
Lorico [155]

Answer:

B-29

Explanation:

Since there are 29 positive charges in the nucleus, there must be 29 negative charges. And cause the atomic number of copper is 29.

7 0
3 years ago
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