Which botany phenomenon is primarily based on an understanding of physics?

a.
the way plant pollen is carried by wind to another plant
b.
the way nutrients affect a plant's growth
c.
the way plant cells divide
d.
the way pesticides keep a plant free of pests

Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.