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3 years ago

2.

Physics

2 answers:

sveticcg [70]3 years ago

7 0

Answer:

filtration is used to separate

Ronch [10]3 years ago

4 0

Answer:

Reverse Osmosis

Explanation:

Reverse osmosis is a type of filtration that involves passing a solvent through a semipermeable membrane in the opposite direction that natural osmosis does. Separation is always enforced through the use of pressure in this process. Ions, fine dust particles, molecules, and larger particles are typically removed from solvents using this method. The technique is particularly popular in the treatment and purification of water.

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The process of finding the age of fossil is called which answer carbondating,urinumdating ,both of them,none

Vitek1552 [10]

Answer:

the process of finding the age of fossils is called carbon dating because they use samples of carbon and compare it's characteristics to the samples of carbon from each set time

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3 years ago

Two 1 MHz radio antennas emitting in-phase are separated by600

algol [13]

Answer:

1 km

Explanation:

$d_0$ = Gap between antennas = 600 m

$\nu$ = Frequency = 1 MHz

$z_1$ = Distance to receiver = 2 km

c = Speed of light = $3\times 10^8\ m/s$

Wavelength is given by

$\lambda=\dfrac{c}{\nu}\\\Rightarrow \lambda=\dfrac{3\times 10^8}{1\times 10^6}\\\Rightarrow \lambda=300\ m$

Distance to be moved is given by

$D=\dfrac{z_1\lambda_0}{d_0}\\\Rightarrow D=\dfrac{2\times 300}{600}\\\Rightarrow D=1\ km$

The distance to be moved is 1 km north.

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3 years ago

The human body uses water in many of its natural processes. water is made of two hydrogen atoms bonded to an oxygen atom. what a

Yuri [45]

1 ; Protons
2 ; Neutrons
3 ; Electrons

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3 years ago

All stars, regardless of size, eventually _____.

sergeinik [125]

They all eventually burn out or explode.

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A sphere made of iron has a diameter of 4.99cm What is the mass of the sphere?

Gwar [14]

Answer:

Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities.

Explanation:

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