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oee [108]
4 years ago
7

Describe how humans interact with three of Earth's spheres?​

Physics
1 answer:
igomit [66]4 years ago
4 0

Explanation:

example: humans (biosphere) can build a dam out of rock materials (geosphere) or water in a lake ( hydrosphere ) seeps into the cliff walls behind the dam becoming ground water ( geosphere) or evaporate into the air ( atmosphere)

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3 0
3 years ago
A valid hypothesis must have test for proving what?
Novosadov [1.4K]
A valid hypothesis must have test for proving the observation and is realistic, it considers the varibales it wants to measure. And it is tested either finding significance or not in the relationship between the studied variables.

<span>They utilize and make use of the scientific method in order to have clear basis and evidence for their investigations. Research method is always used to answer every scientific inquiry and in gaining evidential data or knowledge. The scientific method has the following process or at least undergoes the process of
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7 0
4 years ago
A car is traveling to the right with a speed of 29\,\dfrac{\text m}{\text s}29
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4 0
4 years ago
The purpose of the fraud fighter/ black light machine is to:
Aleks [24]

The purpose of the fraud fighter or also known as black light machine is that it has the ability to check counterfeited bills. It is designed to be a detector with the counterfeited bills, plus, it is a way of verification. It is composed of a UV light, where in, making it have the ability to detect the counterfeited bills which is its task to do.

3 0
3 years ago
In Millikan's oil-drop experiment, one looks ata small oil drop held motionless between two plates. Take the voltage betwee the
AleksandrR [38]

Answer:

The charge on the drop  is

q = 1.741 x 10 ⁻²¹ C

Explanation:

Electric field due to plates

Ef = V/d  

Ef = 2033 V / (2.0 * 10^-2 m )

Ef = 101650 V/m

So, we can write  

Ef * q = m*g

q = m*g / E f

The mass can be equal using the density and the volume so:

m = ρ * v

The volume can be find as:

v = 2.298 x 10 ⁻ ¹⁶ m³

q =  ρ * v * g / Ef

q =  81 x 10 ³ kg/ m³ * 2.2298 x 10 ⁻ ¹⁶ m³ * 9.8 m/s² / 101650 V/m

The charge on the drop  is

q = 1.741 x 10 ⁻²¹ C

5 0
3 years ago
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