In the absence of autoclave, one can use pressure cooker to sterilize the nutrient agar. The most important thing is that the temperature must be high enough to kill off any microbe present. The pressure cooker can be used in place of autoclave at the temperature of 121 degree Celsius for fifteen minutes.
As we inhale air, oxygen enters the respiratory system and the circulatory system to transport it to the other parts of the body and to all cells. As the oxygen is already transported, the blood becomes deoxygenated and carries a CO2 which returns to the lungs and then we exhale the carbon dioxide.
Answer:
D) antibiotic
Explanation:
Because there’s nothing you can do about a virus other than take the vaccine, but when you get it, you need antibiotics to help your immune system fight it off.
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Answer:
Pressure, Temperature and Moisture
Explanation:
Pressure brings the fog down.
Temperature makes the atmosphere warm.
Moisture makes the atmosphere moist.
Okay.