The answer is I, II, III and IV. Scientific investigation is the way in which
scientists and researchers use a systematic approach to answer questions about
the world around us. They may want to explore new ideas, gather evidence or
prove or disprove previous results.
No, not really - you just follow the method, that's it.
A specialized animals inability to rapidly adapt to a changing environment
Answer:
the deoxcenated blood is ejected out of the body