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Usimov [2.4K]
2 years ago
9

PLEASE HELP ME TAKE SOO LONG! (ima fail this test!) its a study guide!

Chemistry
1 answer:
kakasveta [241]2 years ago
6 0

I think it might be C or D

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Aluminum can react with oxygen gas to produce aluminum oxide (Al2O3). What type of reaction is this?
Pachacha [2.7K]

It's Synthesis, single replacement is incorrect.

6 0
3 years ago
6th grade science i will give brainliest
Alexandra [31]
0.2 m/s! keep in mind, speed= distance divided by time :D
7 0
3 years ago
Global winds are directly caused by the Earth's rotation and
Natali5045456 [20]

Answer:

A the uneven heating of earths surface

Explanation:

Because earths rotates on its axis, circulating air is deflected torward the right in the northern hemisphere and toward the left Southern Hemisphere. This is called the coriolis effect

5 0
3 years ago
A compound possessing a carboxylic acid produces a yellow solution when dissolved in diethyl ether. This yellow solution is tran
Serga [27]

Answer:

A. The top layer will be diethyl ether, and the top layer will be yellow.

Explanation:

The purpose of the addition of the saturated aqueous solution of polar solvents like sodium chloride in the liquid-liquid extraction techniques is to remove as well as separate any kind of water which may be dissolved in the ether. Water and sodium chloride are both polar and thus, they forms the bottom layer and only ether forms the top layer. The compound being organic and is colored is in the top layer with the ether.

Hence, answer - A. The top layer will be diethyl ether, and the top layer will be yellow.

6 0
3 years ago
During the first half of the 20th century, the theory of plate tectonics was developed. Evidence supporting this theory included
Makovka662 [10]

A) GPS monitoring and satellite imagery of crustal movements

Explanation:

The most recent evidence supporting the theory of plate tectonics is the use of  GPS monitoring and satellite imagery of crustal movements.

GPS denotes Global Positioning Systems.

Satellite imagery is a recent advancement in the study of moving plates.

  • The global positioning system uses the position of a system of satellites in space to delineate positions on earth.
  • It works on the principles of triangulation and this helps to fix positions of objects on the earth surface.
  • With this, the change in position of the plates can be recorded by known fixed positions of objects.
  • Satellite imagery helps to map changes in terrain with time.
  • Images can be correlated through time and the shift in terrains delineated.

learn more:

Wegener brainly.com/question/5002949

#learnwithBrainly

5 0
3 years ago
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