Answer:
-Create a garden of different flowers
-Make a prediction about which flowers hummingbirds are most attracted to
-Observe how many times hummingbirds visit each flower
-Record his observations
-Write a report on his findings
Biochemical stress is another factor fire
<span>False. In order to create a control group one must understand the baseline of what is happening. Therefore placebos are given in order to establish this control group. These control groups allow understanding of what an the actual experimental drug, in the case of clinical trials, can do.</span>
