Q: Answer the following question given this paragraph: Scientific investigations involve the collection of data through observation, the formation and testing of hypotheses by experimentation, and analysis of the results that involves reasoning. Scientific investigations begin with observations that lead to questions. Q: What is the initial stage of scienetific investigations? A:

Choose from:
A). asking questions;
B). forming hypothesis;
C). making predictions;
D). observation;
The answer is:
D).