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brilliants [131]
3 years ago
9

How is a cell membrane different from a cell wall

Chemistry
2 answers:
Mnenie [13.5K]3 years ago
5 0
The cell membrane is the protective shield that keeps the cell safe while the cell wall is a rigid layer<span> of stuff outside of the plasma membrane</span>
Alborosie3 years ago
4 0
Well according to my understanding there is no such thing as a cell wall. But if they are different then the cell membrane is basically a guard. In order for things to come in and out of the cell, they must pass through the cell membrane. Also, the cell membrane protects the cell from germs and any harmful objects. Hope this helps!
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2. Pick two materials that float from the table above.
8090 [49]

Explanation:

so let's say fertilizer sinks it would be higher density and like salt it would be a solvent hope that helps honestly it probably did not but kind of a guide I guess and another one is ice it will be like a toy and here's a tip water is and always will be 1 gl

7 0
2 years ago
Is it true or false?
sweet [91]

Answer:

false

Explanation:

because  i know it

5 0
3 years ago
The metric prefix _____ means 1,000
n200080 [17]
The metric prefix kilo means 1,000.

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2 years ago
Fill up the blank :- If you are using the unit Kelvin, you are measuring the average ......
EastWind [94]
<span>If you are using the unit Kelvin, you are measuring the average </span>kinetic energy per particle. Kelvin is one of the 7 base units in the ISU and is symbolized with a K.

5 0
3 years ago
Read 2 more answers
From a 2.875 g sample containing only iron, sand, and salt, 0.660 g of iron and 1.161 g of sand were separated and recovered. Wh
Serjik [45]

Answer:

36.66%

Explanation:

Step 1: Given data

  • Mass of iron: 0.660 g
  • Mass of sand: 1.161 g
  • Mass of the sample: 2.875 g
  • Mass of salt: ?

Step 2: Calculate the mass of salt

The mass of the sample is equal to the sum of the masses of the components.

m(sample) = m(iron) + m(sand) + m(salt)

m(salt) = m(sample) - m(iron) - m(sand)

m(salt) = 2.875 g - 0.660 g - 1.161 g

m(salt) = 1.054 g

Step 3: Calculate the percent of salt in the sample

We will use the following expression.

%(salt) = m(salt) / m(sample) × 100%

%(salt) = 1.054 g / 2.875 g × 100% = 36.66%

7 0
3 years ago
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