C. Useful energy out of a system is always less than the energy input of that system.
Explanation:
The correct statement of the given options is that useful energy out of a system is always less than the energy input of that system.
This is in compliance with the third law of thermodynamics which states that "energy transformation in a system is not 100% efficient".
- At every stage energy is usually lost when it is transformed from one form to another.
- There is no machine that is 100% efficient.
- A machine that is 100% efficient will convert all the useful energy in it to do work and even more.
- In system energy is usually lost as a result of heat and to overcome friction.
- This reduces the amount of energy out of a system.
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Answer:
b
Explanation:
this is because Invasive species are frequently generalists in terms of food, or habitat needs, have fewer predators in their introduced environments and are better able to exploit disturbances than their native competitors.
The answers are insulin?glucose. After a meal, the digestion of carbohydrates in the intestines release sugars , which are absorbed into the blood. If food contained high levels of simple sugars then blood sugars level rises quickly. Insulin is a hormone which is released by the pancrease in response to rising blood sugar levels. Insulin causes sugars to be stored in the liver in the form of glycogen and this in turn lowers your blood sugar level.
Explanation:
The autonomic nervous system controls internal body processes such as the following:
Blood pressure
Heart and breathing rates
Body temperature
Digestion
Metabolism (thus affecting body weight)
The balance of water and electrolytes (such as sodium and calcium)
The production of body fluids (saliva, sweat, and tears)
Urination
Defecation
Sexual response
Fruit flies and humans have very similar genetic structures.
