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horrorfan [7]
3 years ago
7

Unit Test

Biology
1 answer:
Lilit [14]3 years ago
7 0
A. They receive energy from the wind
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Oxygen and CO2 are exchanged between capillaries and alveolus. Do capillaries contain deoxygenated blood while alveolous contain
dalvyx [7]
The aveolus is surrounded by capillaries. So capillaries carry deoxygenated blood to the alveolus where the oxygen from the alveolus diffuses into the blood in the capillaries. The deoxygenated blood is now oxygenated and is carried out of the lung via capillaries that then merge into the pulmonary vein.

In other words, alveolus does not have oxygenated blood it just puts oxygen into the deoxygenated blood hat this brought in.
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2 years ago
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A student conducted an experiment to test whether talking to plants would help them to grow faster. The student talked to one gr
just olya [345]
The best conclusion to this that I see is that in this situation the plants being spoken to and hand watered every day grew better.

My Conclusion: Plants that are given more attention, and loved to grow faster and better than plants that are not. 
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3 years ago
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In plant cells, cytokinesis takes place by formation of a ____________, whereas in animal cells, the ______________ is responsib
Allisa [31]
<span>Cytokinesis takes place by formation of a cell plate in plant cells, and a cleavage furrow in animal cells. Cytokinesis is the process of cell division. Cell plates are found in plants and some algae. Cleavage furrows are found in animals and some algae as well.</span>
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3 years ago
Water has a density of 1g/mL. There are four rocks that all have the same volume of 10 cubic centimeters. The mass for each of t
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Answer:D

Explanation: Because it has the least amount of density in it. All the others are heavier, meaning they will sink. Just like if you drop a rock water and a feather, the feather will float.

Density def:

Density, mass of a unit volume of a material substance. ... Density offers a convenient means of obtaining the mass of a body from its volume or vice versa; the mass is equal to the volume multiplied by the density (M = Vd), while the volume is equal to the mass divided by the density (V = M/d).

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2 years ago
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Both plant and animal cells:
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The answer should be b
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