Which of the following options have the same value as 20% of 45? Choose 3 answers:
20
. 100
45
1
5
45
20.45
20
100
45
0.2.45

The image shows embryos of three vertebrate classes

What makes the results of a scientific experiment accurate? a) having multiple trials b) lacking any supporting data c) working in a lab d) using a hypothesis that is always true

'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.