Exchange surfaces are surfaces that are adapted to maximise the efficiency of and solute( a substance dissolved in a liquid) exchange across them

What is the name for a substance formed in a chemical reaction

As a small change in a person's dna can cause a genetic disorder

'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.