A.quang hô hấp.
B.sự khử CO2.
C.quang phân li nước.
D.phân giải đường.

A.when
B.that
C.which
D.whom

A.deteriorate
B.ease
C.refrain
D.escape

A.that
B.which
C.what
D.why

A.\(81\,c{m^3}\)
B.\(324\,\,c{m^3}\)
C.\(729\,c{m^3}\)
D.\(486\,c{m^3}\)

A.\(3\)
B.\(\frac{3}{{10}}\)
C.\(\frac{3}{{1000}}\)
D.\(\frac{3}{{100}}\)

A.
B.
C.
D.

A.\(4\)
B.\(0,4\)
C.\(40,96\)
D.\(409,6\)

A.\(\frac{1}{3}\,{m^2}\)
B.\(\frac{2}{3}\,{m^2}\)
C.\(\frac{4}{3}\,{m^2}\)
D.\(\frac{{27}}{{64}}\,{m^2}\)

A.\(76\)
B.\(7,6\)
C.\(7,06\)
D.\(760\)