Seismic waves are waves produced by earthquakes. This occurs
when rocks under the earth suddenly break or explode. There are two MAIN TYPES
of seismic waves called body waves and surface waves.
<span>Body waves have the capacity to travel through the Earth's
inner layers. They have a higher frequency and they are the ones that first
occur under water at the onset of an earthquake. They can be subdivided
into two types, the primary and secondary waves that arrive at seismic records
one after another.
Surface waves can only traverse through the surface of the planet like ripples
in the water. These waves can easily be detected on a seismogram result. These
waves arrive after body waves and they are the ones mostly responsible for
damages and destruction bought by earthquakes.</span>
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Answer:
Answer is D. 1,2 & 3.
Explanation:
Note that,
* The generic name of a drug is very important because, it will show the chemical name name of the drug when it was first discovered, this will describe the molecular and atomic structure of the drug.
*The contraindication explains the specific situations when a drug should not be used because it may be harmful to the user.
*The user dose shows the quantity of a drug which must be used at a particular point in time.
These three things must be provided before a drug can be approved by the US food and drug administration.
Answer:
Sympathetic nervous system
Explanation:
The sympathetic nervous system is the part of the autonomic system of neurons which gets activated in the condition of stress.
The stress conditions activate the sympathetic nervous system which prepares the human body for the stress condition by either fight or flight mode.
The fight or flight responses requires a large amount of energy which are produced by the activation of the parasympathetic energy therefore the sympathetic system involves the expenditure of the energy. The system is also involved in sexual arousal.
Thus, the Sympathetic nervous system is the correct answer.
Frontal lobe
Frontal lobe is situated near the front of the head and it is the most forward of the four lobes of the cerebral cortex. The frontal lobe is the area responsible for primary motor functions and some of the most complex cognitive processes such as memory, problem solving, sexual behaviors, emotional expression, language, and judgment.
