Answer:
option a
Explanation:
because When hydrogen is used to power a fuel cell, the only byproducts are water and heat—no pollutants or greenhouse gases are produced.
Answer:
Option (3)
Explanation:
The continental crust is usually thick because it has an average thickness of about 35-40 km. In the high mountain ranges, it is the thickest, forming about 80 km on an average. These are formed when two continental plates form a sandwich pattern by sharing a convergent type of plate boundary.
For example, the thickest part of the crust is the Mt. Everest which lies in the great Himalayan range, which has started to form about 50 million years back. It is geologically the most recent mountain range.
The older mountains are continuously eroded in the geological past, as a result of which the height of the mountains is affected.
Thus, the correct answer is option (3).
Answer:
Active transportation
Explanation:
Active transportation is happening because energy is need to pump against the gradient. Whenever energy is used the transportation is active.
An autopsy includes an examination of all body systems as the suspected cause of death may be inaccurate. Everything should be analyzed in case there is a medical problem anywhere in the body that may have caused the death.
To know the full story of death you have to watch it all. Autopsy also called postmortem examination or autopsy is the dissection and examination of a cadaver and its organs and structures. An autopsy, or necropsy, has been the gold standard for discovering the cause of death and examining disease in this regard for centuries.
An autopsy may be performed to determine the cause of death observe the effects of the disease and determine the course and mechanism of the disease. The exact nature of a death can be difficult to prove how it happened. Visible evidence of how the death occurred is not always necessary and can be used as a diagnostic tool. No medical history is required.
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