I have 2 questionsbut it's multiple choice for 1 of them. Is blood an organic or inorganic compound?

Which inorganic compound do all living things require to survive? Choose all that apply, meaning multiple answers is ok...
A) Blood
B) Water
C) Carbon Dioxide
D) Organic Soil

What is i fracture in the crust called when land move up, down or sideways

When water dissolves sugar, which process is not involved? o dissociation o hydration o surface area of the solute increases sa

Answer asap need it by wednesday morning carry out the following calculations on ph and ka of from data. i. calculate the ph of 0.02m hcl ii. calculate the ph of 0.036m naoh iii. calculate the ph of 0.36m ca(oh)2 iv. calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 v. calculate ka for weak acid ha which has a ph of 3.65 at 0.30m concentration vi. calculate the ka of a solution made by mixing 15.0 cm3 0.2m ha and 60.0 cm3 0.31m a-. [ph= 3.80] vii. calculate the ph of a solution made by mixing 15.0 cm3 0.1m naoh and 35.0 cm3 0.2m hcooh. [ka = 1.82 x 10-4 m]