A system includes: а
objects that are interacting.
B the surrounding air.
C the surface or medium on which the objects rest.
D all of the above.

Acompound contains c, h, and o atoms. when 1.130 g of the compound is burned in oxygen, 1.064 g co2 and 0.3631 g h2o are produced. what is the empirical formula of this compound?

How does a noncompetitive inhibitor reduce an enzyme’s activity?

Which are forms of frozen water? check all that apply. dew frost hail rain sleet