Earthquakes are vibrations of Earth's crust. Which of the following is used to
measure the size of an earthquake?
a. barometer
b. Doppler radar
C. depth scale
d. Seismograph

Answerd. may include all of these are many definitions of bases: the  brønsted-lowry definition of acids and bases says that bases are proton acceptors.the arrhenius definition of acids and bases says that bases increase [oh⁻] in solution (thereby producing oh⁻ ions)the lewis definition of acids and bases says that bases donate electron pairs.therefore, the sensible answer is that a base may include all of the described characteristics.

Answer it is also known as the completion state is untrue of the activation complex;