When an amoeba engulfs a particle of food a blank is formed

Answers

Answer 1
Answer: food vacuole is your answer

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A solid precipitate is formed from the reaction of lead nitrate and sodium chromate. What would be the best method to separate this solid from the solution?

Answers

The correct answer is this one: "C. Filtration." For distillation and evaporation, it would leave the soluble salt behind as well. Filtration refers to the action or process of filtering something.
Here are the choices:
A. Distillation 
B. evaporation 
C. Filtration 
D. Sorting

Explanation:

A precipitate is an insoluble solid that does not dissolve in a chemical reaction or or mixture.

For example, Pb(NO_(3))_(2) + Na_(2)CrO_(4) \rightarrow PbCrO_(4) + 2NaNO_(3)

Therefore, the precipitate formed can be separated out by filtration method.

As this method will most suitably extract the precipitate and separate it from the remaining solution.

What is a group of atoms bonded together

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A group of atoms bonded together is called a molecule. I hope this helped. :)
the group of atoms held together by covalent bonds is called a molecule

=:)

Is mass conserved when 10 g of sodium hydroxide undergoes a chemical change during an interaction with 57 g of copper sulfate? Use complete sentences to support your answer by explaining how this can be demonstrated.



please use complete sentences for the answer/an explanation, i'm confused on this questionn v( ‘.’ )v ...

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Answer:Instead of “theory” scientists use the word hypothesis to describe a possible explanation for a scientific mystery. Theories in science are hypotheses that.

Explanation:

as the bright sun shines upon the water the water slowly disappears the same sunlight gives energy to the surrounding plants to convert water and carbon dioxide into sugar and only oxygen gas which change is a physical and which is chemical

Answers

Well when the sun makes water dissaper thats usually evaporation.

The chemical changes is when the plants absorb the energy from the sunlight and convert water and carbon dioxide into sugar and oxygen gas. Physically nothing has changed. The plant still looks the sam changes occur internally these internal changes are chemical in nature. 

What is the volume, to the nearest whole cubic inch, of a cylinder with a height of 10 inches and a radius of 8 inches? Use Pi = 3.14 and round your answer to the whole number.cubic inches

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Answer:

v=2010 inches^3

Explanation:

The volume of a cylinder can be found using:

v=\pi r^2h

We know the height is 10, the radius is 8, and we can substitute 3.14 in for pi

v=3.14(8^2)(10)

Solve the exponent first

v=3.14(64)(10)

v=3.14(640)

v=2009.6

To the nearest whole number:

v=2010 inches^3

What is one example of a molecule

Answers

1.CO2 - carbon dioxide 
2.H2O - water 
3.NaCl - salt 
4.H2 - hydrogen
water/H2O because it is a compound that is a bit bigger than an atom