Justin notices a particular type of caterpillar feeds only on cottonwood trees in his neighborhood.In which way has Justin increased his scientific knowledge, Justin increased his powers of scientific observation. His observation is empirical evidence. Empirical relies on observation and experimentation.
It will help you..........
Yes dams are made wider at the bottom because the pressure of the water pressure is greater there
Na is in the first column on the periodic table so therefore it would have 1 valence electron
D 1
<span>In science, </span>observation<span> can also involve the recording of data via the use of scientific instruments. The term may also refer to any data collected during the scientific activity.
Hope this helps,
kwrob</span>
