Where does the mass come from when growing an oak tree I need to write a paragraph so someone help me

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?

Reactants undergo chemical reaction to form products. this chemical equation represents one such reaction. the coefficient for one of the reactants or products is incorrect. which part of the chemical equation is incorrect?

The more rapidly sedimentation occurs, the more likely it is that the remains will successfully form a fossil. as sedimentation continues, what happens to the amount of weight settling onto the organism? stays the same increases decreases cuts in half