Controls geotropism and phototropism. auxin gibberellin cytokinin abscisic acid (aba)

What is important to study for nios grade 12 chemistry? i have only one month left.

What is the mass of phosphorous in a 51-kg person

Given the following at 25c calculate delta hf for hcn (g) at 25c. 2nh3 (g) +3o2 (g) + 2ch4 (g) > 2hcn (g) + 6h2o (g) delta h rxn= -870.8 kj. delta hf=-80.3 kj/mol for nh3 (g), -74.6 kj/mol for ch4, and -241.8 kj/mol for h2o (g)