Answer:
Tiltmeters and strainmeters measure subtle changes in ground slope and shape at volcanoes. .
Explanation:
Measuring tiny changes in the slope angle or "tilt" of the ground and the shape or "strain" in the earth's crust are time-tested methods for monitoring volcano deformation caused by moving magma.
Answer:
D - Sexual reproduction produces offspring which are different from their parents. Asexual reproduction produces offspring which are identical to their parent.
Well, two chemicals that result from rhodopsin decomposing would be Retinal and Opsin.
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