Answer:
Definitions of background knowledge. information that is essential to understanding a situation or problem. synonyms: background. type of: information. knowledge acquired through study or experience or instruction.
Explanation:
The direct object would have to be the muscle's ability because it answers the question "what".
e.g: Exercise can increase what? The muscle's ability.
D. Valid and reliable because the other answer choices do not make sense
They are
Step 1 – Locating and Defining Issues or Problems. This step focuses on uncovering the nature and boundaries of a situation or question that needs to be answered or studied.
Step 2 – Designing the Research Project.
Step 3 – Collecting Data.
Step 4 – Interpreting Research Data.
Step 5 – Report Research Findings.
