yannu66916691 Asked: December 2022 list any two observations when ferrous sulphate is heated in a dry test tube 63a6efd605b68
yannu66916691 Asked: December 2022 1.Why is diffusion insufficient to meet the oxygen requirements of multi-cellular organisms like humans?What criteria do we use to decide whether something is
yannu66916691 Asked: December 2022 What is the positive value of k for which the equations x2 + kx +144=0 and x2 -12