Question

what two components are found in all scientific studies?
a. writing and speaking
b. observing and examining
c. collecting and storing
d. talking and interpreting

Explanation:

In scientific studies, observing (gathering data through senses or instruments) and examining (analyzing the collected data) are fundamental. Writing/speaking (A) and talking/interpreting (D) are communication aspects, not core components of all scientific studies. Collecting and storing (C) is part of data - handling but not as essential as observing and examining.

Answer:

B. Observing and examining