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s344n2d4d5 [400]
3 years ago
6

Stacey filled 1/2 cup measuring cup 7 times to have enough flour for a cake recipe. how much flour does the recipe call for?a 3.

c 4b 3 1/2. d 4 1/2
Biology
1 answer:
Vesna [10]3 years ago
6 0
The recipe calls for 3 1/2 cups of flour.
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A measuring cylinder contains 40 cm3 of water. When a stone of mass 69 g is dropped into the water, the stone sinks and the wate
rjkz [21]

Answer: 2.3 g cm^3

Explanation: In this case the rise in level of water is same as the volume occupied by the stone.

a) Volume occupied by the stone = 70 cm^3 – 40 cm^3= 30 cm^3

b) Density = mass/volume

                  = 69g/30 cm^3 = 2.3 g cm^3

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2 years ago
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Which characteristic contributes to the quick nutrient cycling in tropical rain forests? O A. Heat and high humidity O B. Deep,
aliya0001 [1]

Answer:

A. Heat and Humidity

Explanation:

The hot, damp conditions on the forest floor allow for the rapid decomposition of dead plant material.

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2 years ago
What will happen if the condition(red blood cells swelling and bursting), occurs to red blood cells in our body?
Fiesta28 [93]

Answer:

Explanation:

Hemolytic anemia is a disorder in which red blood cells are destroyed faster than they can be made. The destruction of red blood cells is called hemolysis. Red blood cells carry oxygen to all parts of your body. If you have a lower than normal amount of red blood cells, you have anemia.

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2 years ago
The sole of a gecko's foot is covered with millions and millions of small, dry "hairs" that make direct contact with surfaces, a
tamaranim1 [39]

Answer: Van der Waals forces

Explanation:

Van der Waals forces are weak intermolecular forces that depend on the distance between two particles. They are caused by correlations in the change in polarization between two nearby particles. To put it in other words, when a particle changes its polarization (becomes more positive on one end and more negative on the other), so does the adjacent particle, and the next one, and so on. This causes these particles to stick together weakly.

The tiny "hairs" increase the surface area of the gecko's feet in contact with the wall, which makes the bond stronger and allows it to support all of its weight.

Because experiments have shown that geckos stick well to both hydrophobic and hydrophilic surfaces, we can assume there aren't any hydrogen bonds present.

Ionic bonds can't be present either because geckos wouldn't stick to electrically neutral surfaces, as these bonds require charged molecules.

6 0
3 years ago
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