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brilliants [131]
2 years ago
11

To test a hypothesis, a scientist could...

Biology
2 answers:
ehidna [41]2 years ago
7 0

Answer:

see below

Explanation:

without doubt it is D

DENIUS [597]2 years ago
6 0

Answer:

may be right ans is d

Explanation:

all of above I think because to text hypothesis,a scientist could do all above

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Which of the following polymers contain nitrogen?
Margaret [11]

Answer:

I think it d

Explanation:

8 0
2 years ago
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How does water's polarity help it to dissolve so many substances?
nignag [31]

Answer:

When a polar substance is put in water, the positive ends of its molecules are attracted to the negative ends of the water molecules, and vice versa

Explanation:

id if this helped but

3 0
2 years ago
How do facilitated diffusion and active transport differ? Is osmosis an example of facilitated diffusion or active transport?
castortr0y [4]
Note that Facilitated diffusion , Active transport and Osmosis are three different ways of transporting substances across the cell surface membrane.

Facilitated diffusion is the movement of a substance from high to low concentration , similar to simple diffusion , but due to the complexity of the cell surface membrane , polar molecules and ions cannot just pass like that , so they pass through specific carrier and channel proteins in the cell surface membrane and so we call it facilitated diffusion.

For Active transport , it's the movement from low to high concentraion using energy from ATP

For Osmosis , it's totally different . You only name osmosis when its all about water . Its the net movement of water from high water potential to low water potential through partially permeable membrane .
If you're doing AS , you'll be familiar with Endosmosis and Exosmosis.
3 0
3 years ago
Choose all the answers that apply.
LuckyWell [14K]
1. Evaporation , sublimation, transpiration
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3.
7 0
2 years ago
4. Critical Thinking Evaluating
tamaranim1 [39]

Answer:

Explanation:

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2.) No two individuals are exactly alike.  

3.) There was a gradual change in each species.  

4.) Fossils were different from the living animals. However, these fossils had many similarities to modern forms of life.  

5.) Species on the Galapagos Islands resembled species on the mainland but they were different in certain characteristics.  

6.) Some organisms became isolated on many islands.  

8 0
3 years ago
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