Answer:
A) Reticular activating system
Explanation:
The reticular activating system is a complex network of neuron present in the brainstem of the brain.
The reticular system is involved in many functions of the brain like the flight or fight response, the sleep and awake awareness and the elimination of the unwanted and unimportant stimuli of the person.
In the given question, since the person, while studying unconsciously avoids the rustling of paper and the pressure of the clothes which is performed by the reticular system in the brain.
Thus, Option-A is correct.
As sedimentation continues, the surface area of the weight that have settled to the bottom becomes greater. This allows for greater number of organism to attach to it. Thus, the answer for this item is that the weight settling onto the organism becomes greater.
Answer:
Aerobic respiration : The kind of respiration where the intake of oxygen helps to breakdown the food and produce energy. This is done by almost all living organisms like plants, us humans (Most of the time), animals, etc.
Anaerobic respiration : The kind of respiration which takes place in the absence/lack of oxygen. Organisms like yeast, us humans (For a short period of time, I will explain how), etc.
When do humans anaerobically respire?
Ans: When the human body does not get enough of oxygen, and we are doing some heavy exercise, at that period of time, in the muscles cells, the cells anaerobically respire giving out lactic acid, which leads to muscle cramps....
Anaerobic:
Glucose (Lack of oxygen)-----> lactic acid (In humans) / alcohol (In other organisms) + Energy
Aerobic :
Glucose (Presence of oxygen) --------> Carbon dioxide + Energy
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Drip method is one of the mainstays of sustainable agriculture because it : A. reduces soil erosion
Like the name said, Drip irrigation is designed to utilize the least amount of water supply by giving the water to the plant drip by drip. In this method, there is no flow of water that commonly caused the soil erosion (because the water flow cut out the soil little by little)
12) B. The organism would suffer as its cells would be less able to provide the energy needed to carry out life functions.
13) D. The central vacuoles in the cells lose water and can no longer help support the cells.
14) A. It acts as a framework inside the endoplasmic reticulum and keeps it from collapsing.
15) D. The cell's energy level will diminish as the enzyme decreases.
16) C. Whales are able to conserve oxygen better than humans.
17) A. Glycolysis
18) i dont know this one but maybe B
19) B. It is turned into more chlorophyll for the plant.
20) B. The chloroplasts would be unable to generate ATP.
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