Answer:
Earth's temperature has become cooler
Explanation:
The number of sunspots, as you have learned, can indicate whether the sun is in a maximum-activity period or a minimum-activity period. Some scientists believe this can have an overall effect on the climate of Earth.
B. The entire universe.
C. All of these
D. Outside of the experiment, or reaction of interest.
Answer:
the awnser is A
Explanation:
the awnser is A
this answer for this is neutron
b.A concave lens of focal length 50 cm
c.A convex lens of focal length 2 m
d.A concave lens of focal length 2 m
Answer:
b.
Explanation:
-vesign shows the lens is CONCAVE
f=1/power
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wave B
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wave A + B
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A. Destructive interference
B. Diffraction subtraction
C. Diffraction gradient
D. Constructive interference
Answer: Constructive interference
Explanation: Just took the test
The diagram shows destructive interference between two waves, resulting in a smaller amplitude wave.
The type of wave interaction shown in the diagram is destructive interference.
In destructive interference, two waves combine and create a new wave with a smaller amplitude. This occurs when the crests of one wave align with the troughs of another wave, causing cancellation.
In the diagram, wave A and wave B are out of phase, meaning their crests and troughs do not align. When they combine, the resulting wave has a smaller amplitude than either individual wave, indicating destructive interference.
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