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FinnZ [79.3K]
3 years ago
9

Reduced oxygen in water is an indicator of

Biology
1 answer:
lisov135 [29]3 years ago
5 0

Answer:

Municipal of sewage in water ​

Explanation:

The municipal sewage water ​has a large number of microbes present in it that leads to lower level of oxygen in water. The reduction of oxygen in water occurs due to decomposition of algae present in water by microbes. Algae is responsible for the production of oxygen from the process of photosynthesis. When they are removed from an environment then no more oxygen will be produced which leads to decrease of oxygen in water.

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You design an experiment to test the hypothesis that consuming caffeine increases a person's chances of developing a headache. P
lora16 [44]

Answer:

d) A group that does not drink soda (caffeinated or decaffeinated) or other caffeinated beverages for 10 days

Explanation:

In an experiment, two groups exist as follows: experimental group and control group. Experimental group is the group that receives the experimental treatment (independent variable) while the CONTROL GROUP is the group that does not receive the experimental treatment.

In this experiment, the experimental treatment is the CAFFEINATED SODA (contains caffeine). Hence, the appropriate control group for this experiment will be the group that does not drink any soda (whether caffeinated or decaffeinated) or other caffeinated beverages for 10 days.

4 0
3 years ago
If you were to expose cells that are undergoing aerobic cellular respiration to a radioactive oxygen isotope in the form of O2,
HACTEHA [7]

Answer:

Water

Explanation:

Molecular oxygen is the terminal electron acceptor and serves to receive electrons from reduced NADH and FADH2 to reoxidize them. NADH and FADH2 are formed during glycolysis and Kreb's cycle. These reducing powers should be re-oxidized to enter in the first two steps of aerobic respiration again.

For the purpose, NADH, and FADH2 transfer their electrons to the molecular oxygen via electron transport chain. After accepting the electrons, molecular oxygen is oxidized into the water molecule. Therefore, radioactive oxygen isotope would appear in the form of a water molecule after completion of cellular respiration.

5 0
3 years ago
Explain how the disruption can disturb the cycling of carbon ?
Basile [38]

Answer:

Humans have breached this cycle by digging up fossil fuels and burning them, leading to carbon dioxide building up in the atmosphere faster than natural systems can soak it up. This has led to a net increase in greenhouse gases in the atmosphere, causing the planet to heat up.

Explanation:

6 0
3 years ago
What is one way that you eukaryotic cells differ from prokaryotic cells?
andrey2020 [161]
The biggest difference between prokaryotic and eukaryotic is that eukaryotic cells have a nucleus and prokaryotic cells do not.
4 0
3 years ago
Read 2 more answers
What is true for geothermal energy
Likurg_2 [28]

Hi

Answer: Its origin is not sunlight


I hope that's help !

4 0
3 years ago
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