We cannot see evaporation because water vapor is invisible. How can we tell it is happening?

1 answer:

3 0

You can tell that water is evaporating by measuring how much you have left in the container

If you star an experiment with 20ml of water and a few hours later there are 17ml you know 3ml of water evaporated

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Which observation directly illustrates the adhesive properties of water?

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D. Shows how water molecules attract to the glass tube.

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3 years ago

A museum curator collects fossils from two different periods. He has 400 from one period and 204 from a later period. He plans t

matrenka [14]

Answer:

Explanation:

Number of fossils collected over period 1:

400

Number of fossils collected at a later period :

204

For each display case to have the same number of fossils ; the greatest number of fossils possible per case:

Obtain the greatest common factor of both 400 and 204

400 = 1, 2, 4, 5, 8, 10, 25, 40, 50, 80, 100, 200, 400

204 = 1, 2, 3, 4, 6, 12, 17, 34, 51, 102

Hence, the greatest common factor (400 and 204) is 4

Hence, the greatest Number of Fossil possible per case = 4

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2 years ago

During cellular movement which filaments will be the ones that are responsible for attaching and pulling the other filaments alo

Makovka662 [10]

Answer:

Myosin

Explanation:

Myosin are the major components of both muscle and non muscle cells in striated muscles which is responsible for contraction or movement that convert chemical energy (ATP) into mechanical work thereby generating force and movement.

During cellular movement , myosin filament will be the ones that are responsible for attaching and pulling the other filaments along because Myosin binds to actin at a binding site on the globular actin protein,it also have ATP binding sites which hydrolyses ADP to ATP , ATP binding causes myosin to release actin, which make actin and myosin to detach from each other thereby causing attachment and contraction of other filaments

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3 years ago

Which of the following does not increase genetic variation in a population ?

ira [324]

The correct answer is Mitosis !! B !!

Mitosis did not do DNA varriations !!

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3 years ago

Alice's teacher has given her a cup of water. She needs to find the volume of the water. How can Alice find the volume of the wa

Leto [7]

Answer: A. Alice can pour the water into a graduated cylinder to find the volume

Explanation: If you put water into a graduated cylinder, you get accurate numbers. This helps with the equation because estimating isn't always the best way to go. Putting a ruler in the water wont help because you don't know what number the water started at before the displacement. The thermometer won't work either because that is used for temperature.

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3 years ago