What was the largest earthquake in oklahoma & in what year did it occur?

do these earthquakes that happen here relieve the stress conditions a little bit every time or will the just continue to happen?

1) name any two states which are leading producer of cotton textile in india 2) wht information technology 3) name any two countries which are leading producers of cotton of cotton textile 4) wht is add to pig iron to convert it into steel

Which of the filling is an effect of the uneven heating of the earth by the sun ? a sea breeze a land breeze a convection current all of the above

How many countries have portuguese as a national language?