Answer:
The answer is E: I, II, and III
Step-by-step explanation:
The three major features of a well designed experiment are:
1. Replication: If an experiment cannot be replicated, then it is not a well-designed experiment. Replication is one of the major characteristics of a well designed experiment
2. Control: A well designed experiment must have a control. Control, in an experiment, can be referred to as the steps taken to curb the impact of extraneous variables
3. Randomization: Subjects are expected to be randomly assigned to different groups.
Answer:
3 sjshgegegegehsksksjsjsissjs
Answer: 36 pi over 7.5
Step-by-step explanation:
Answer:
4 birds
Step-by-step explanation:
4 * $4.5 = $18
12 * $6.5 = $78
78 + 18 = $96
Be more specific. The decimal can be anywhere give more detail