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cluponka [151]
4 years ago
14

Whistling is considered bad luck among mariners because it challenges the wind. Where did this idea most likely come from?

Biology
2 answers:
dangina [55]4 years ago
8 0
Old wise tales!? my mom said this once
Shalnov [3]4 years ago
7 0

Answer:

The correct answer is - pseudoscience.

Explanation:

Pseudoscience is a study or a fake science that is based on theories that are said to be scientific but have no evidence or scientific fact for it.

It means they can be proved false scientifically and can not be tested or have no evidence to support it.

Thus, the correct answer is - pseudoscience.

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light is reflected when it falls on a clean, smooth surface. the diagram shows the ray of light falling on a surface. Which diag
vazorg [7]

Answer:

it bounces

Explanation:

when reflected, the light buncesoff of the solid object. the diagram should look like a V

5 0
4 years ago
2.) Those that knew Randy stated he should not have gone treasure hunting because he had a premedical breathing
ella [17]
The answer would be respiratory. Because asthma affects your breathing which is what the respiratory system is used for. (Lungs)
5 0
4 years ago
What is the basic physical principle that chromatography is based upon
Sliva [168]

Chromatography is a laboratory technique for the separation of mixture. It contains two components:

Stationary phase- substance that is fixed inside the column

Mobile phase- substance that is moving through the column.

Analyte is the mixture that has to be separated by chromatography.

When both are added to the column, mobile phase and analyte, components of the analyte will adhere to the stationary phase at different level and as a result travel at different speeds through the stationary phase as the mobile phase flows through it. The components that adhere more strongly to the stationary phase travel more slowly compared to those with a weaker adhesion. So, chromatography separate substances based on their adhesion for stationary phase.

8 0
4 years ago
Which is not a density dependent factor
Katyanochek1 [597]
I believe the answer to this is Competition. I could be wrong
4 0
3 years ago
Where does FGF5 occur in the cell?
KIM [24]

Answer: FGF5 is produced in the outer root sheath of the hair follicle as well as perifollicular macrophages, with maximum expression occurring in the late anagen phase of the hair cycle. The receptor for FGF5, FGFR1, is largely expressed in the dermal papilla cells of the hair follicle.

Explanation:

5 0
3 years ago
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