Answer: The correct answer for the blank is- hypertonic solution.
A hypertonic solution is the one that contains higher solute concentration as compared to solvent. When a cell is placed in hypertonic solution, it will loose water through osmosis ( as water always moves from an area of low solute concentration to an area where solute concentration is comparatively higher).
Thus, animal cell will shrink ( due to loss of water) when placed in a hypertonic solution.
b. love
c. security
d. aptitude
Answer:
D. aptitude
Explanation:
just took the practice for the lesson on edg2020
Coral bleaching occurring when a colony of polyps are under stress is True.
This is a condition in which corals lose their vibrant colors and turn white when they are stressed.
The stressors which affects corals include changes in the following:
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The given statement is True.
Coral bleaching is a stressed condition in which is caused by the warmer temperatures.
The algae gets expelled from the corals when there is a high temperature. Earlier the algae used to live in the tissues of the corals which made the corals colorful but as soon as the algae leaves the corals, it turns completely white.
This phenomenon is known as coral bleaching.
Answer;
-PET scan
A PET scan uses radioactive markers in the blood to monitor blood flow and metabolic activity via x-ray
Explanation;
-A positron emission tomography (PET) scan is an imaging test that helps reveal how the tissues and organs are functioning. A PET scan uses a radioactive drug (tracer) to show this activity. This scan can sometimes detect disease before it shows up on other imaging tests.
-A PET scan is used to diagnose certain health conditions, to plan treatment, to find out how an existing condition is developing, and to see how effective a treatment is.
-In a PET scan, a machine detects radiation that is emitted by a radiotracer. A radiotracer consists of radioactive material that is tagged to a natural chemical, such as glucose.
b. production of oxygen
c. consumption of water’s oxygen
d. large source of energy
c would be the answer just took the test