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cricket20 [7]
3 years ago
8

PLEASE I NEED HELP

Biology
2 answers:
Oksana_A [137]3 years ago
8 0

Answer:

they insure valid results

Explanation: took the test and got 100% it was the cumulative exam

yawa3891 [41]3 years ago
6 0

Answer:

they ensure valid results

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In the image is the blood hypertonic, isotonic, or hypotonic compared
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Hypotonic

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Which gas does not occur naturally in the atmosphere in any amount but was solely created by human activity? Support your answer
SpyIntel [72]

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Carbon monoxide.

Explanation:

Carbon monoxide is a gas that consists of an oxygen and a carbon to be able to fulfill the complete molecule, it is a potentially dangerous gas for life on this earth.

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Both gases are pollutants, and produced by man, it is considered that these in high partial pressures in the atmosphere generate a mortal potential for humans since they have more affinity with the hemoglobin protein that is the human gas transporter par excellence, the which oxygenates the tissues.

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3 years ago
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mafiozo [28]
I think the veins absorb the photons because they're located at the top part of a leaf while the stomata that serves as the leaf's lungs are found at the under side.
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3 years ago
In an experimental set up, starch is placed in dialysis tubing and suspended in water. When lodine is added to the water, over t
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c. The starch stayed in the bag and the iodine leaked into the bag and the reacted with it, turning the solution black.

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According to the given information, the solution inside the dialysis tubing has starch while water present outside has iodine. The color of the water present outside the dialysis tubing does not change which means that starch did not leak out of the bag and stayed in the bag itself. On the other hand, the starch solution present inside the bag turned black representing the fact that iodine entered the bag. The reaction of starch with iodine produces a blue-black color.

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In order for the virus to reproduce, the virus must enter _____
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Your body through the cells
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