60 likes | 155 Views
H2 small in text questions. a. They did not test the drug on pregnant animals. H2 small in text questions. b. Measure the heights of all the seedlings. Control all the variables. Repeat readings will be similar so the experiment is reliable.
E N D
H2 small in text questions a. They did not test the drug on pregnant animals.
H2 small in text questions b. Measure the heights of all the seedlings.
Control all the variables. • Repeat readings will be similar so the experiment is reliable. • The investigation will answer the original question.
H2 small in text questions d. The more light that shines on a plant ,the taller the plant grows.
H2 ordered catagoric continuous Research would be more reliable and valid if the same results were obtained by other scientists (Also bias would be unlikely) H2 marks: 8