why might scientist record data on thousands of earthquakes that occur each year, but do not cause damage?

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0

What four properties do all waves have in common

27 drag each label to the correct location on the image. a particular exosolar system has five planets in total: a, b, c, d, and e. the table lists the orbital periods of these planets in days. planet orbital period (days) a 600 b 80 c 1,000 d 500 e 100 move each planet to its orbit in the system.