<span>A scanning electron microscope has an electron gun that shoots electron beams at a specimen. It also has infrared cameras and Robinson detectors. A compound light microscope also has different types of lens while a scanning electron microscope only has one.Both microscopes have a specimen stage but the compound light microscope also has a slide and cover slip. A compound light microscope functions using visible light. A scanning electron microscope sends electron beams onto a specimen.</span>
The correct answer is (B) they travel faster than S waves
As the interior of the earth is incompressible, the P-waves moves much faster and transmit their energy through the medium and travel very fast as compared to the S waves. In case of S waves, they are slow because the movement of medium is perpendicular to the direction of propagation of waves’ waves travel 60 times faster than S waves. The variation in speed of travel is because the earth reacts differently to both the waves.
A) causes an effector to signal the control center of an organism, which creates the stimulus to make a response
The answer is d
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The correct answer is - quartz.
The quartz is a light colored, transparent mineral, with hardness of seven, and is characteristic that instead of cleaves it has fractures. This mineral is composed of silicon and oxygen atoms, which make a tetrahedral structure. It is the second most abundant mineral in the Earth's crust, just after the feldspar.