Which of the following was NOT among Democritus's ideas? A. Matter consists of tiny particles called atoms.
B. Atoms are indivisible.
C. Atoms retain their identity in a chemical reaction.
D. Atoms are indestructible.

Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. the values of phosphorous acid are 1.30 6.70 calculate the ph for each of the given points in the titration of 50.0 ml of 1.5 m h3po3(aq) with 1.5 m koh(aq) .

What layer of the atmosphere is directly above the troposphere?

What human activity increases beach erosion?