Answer:
(a) Planning
Explanation:
The <u>work breakdown structure consists of the tasks required to accomplish a project goal, arranged into sections.</u>
It is usually developed at the <u>planning stage</u> of project management, before other project activities are carried out.
Bronze is a homogeneous mixture. (In this case its two metals.)
Formal Operational Reasoning
Answer:
The correct answer is ''a group comparison study.''
Explanation:
The group comparison study is the study of a group of people or organizations that have not participated in a public intervention, which is compared with a group that has participated, in order to analyze the net effects of the intervention. Whatever the mode of selection of the comparison group, its characteristics should be as similar as possible to those of the direct recipients. To do this correctly, the specific characteristics of each group must be described in depth at the beginning of the study.
