1. Observing and experimenting are both a. parts of the scientific method.
b. ways of investigating the world.
c. examples of hypotheses.
d. Both a and b
What’s the answer

answer; i believe the correct answer is (a) the correlation between the cause variable and outcome variable is zero;

we need an attachment to see what you are talking about.

citizens were able to charge more for their goods and services

answer; opportunities to further the healthy development to deal with the crisis of the next stage;