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disa [49]
3 years ago
12

Pouring cold water in your hot coffee is conduction convection radiation

Chemistry
2 answers:
Sladkaya [172]3 years ago
6 0
Convection this is because convection is bull movement of molecules between fluids
xxMikexx [17]3 years ago
4 0

Answer:

I would say it is convection

Explanation:

In convection, the heat transfer takes within the fluid.

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Imagine that one tree outside your home looks unhealthy, although all the other trees seem healthy and strong. Describe how you
Westkost [7]

Answer:

Hypothesis---experiments----results----conclusion.

Explanation:

First we make a hypothesis means a statement about why the tree looks unhealthy. In this segment of scientific method we have to test the hypothesis through experimentation. After that we have to take the readings of various parts of the tree and analyze the data to find out the problem. In the next step, we have to made the results on the basis of the data that is obtained. In the last we have to write the conclusion of the analysis and see the hypothesis.

5 0
3 years ago
The Half-Life of Pa-234 is 6.75 hours. How much (what fraction) of a sample of this isotope remains after 20.25 hours?
Grace [21]
So in one hour half the amount remains (that's what half life means). In two hours 1/4 (or half of half) would remain and in three hours 1/8 would remain.
So the answer is 1/8
6 0
3 years ago
In an electroplating apparatus, where does the reduction reaction occur?
Ludmilka [50]

Answer:

on the surface of the cathode

6 0
2 years ago
Which best describes the importance of the microscope to the development of cell theory? Microscopes color different parts of ce
aliya0001 [1]
Cells are too small to see with the naked eye. 

It's pretty straight forward, use the cross-out method. 

1) Microscopes MAGNIFY images, they don't color the cells. In fact, scientists have to use these chemicals to "stain" or color the cells to see them more easily through microscopes. 

2) If the lenses of a microscope reduced the image of an organism to the size of a cell, you'd be seeing a very tiny human through your microscope, instead of actual cells. 

3) Microscopes don't "trap" anything. In fact, scientists use plates or slides under microscopes to contain what they're studying. 

8 0
3 years ago
Read 2 more answers
What type of reaction is shown below?
Lemur [1.5K]
<span>What type of reaction is shown below? 

2H2O2 → 2H2O + O2

A. synthesis
B. decomposition
C. combustion</span>decomposition

answer is B
8 0
3 years ago
Read 2 more answers
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