1. True- because scientific theory means that <span>idea supported through research that attempts to explain existing observations or predict new ones.</span>2. False- because a cross-sectional means that its a study that is about different groups.
3. B-<span>An extraneous variable clarifies the relationship between the independent and dependent variables.</span>
Answer:
See explanation below.
Explanation:
From the definition of adjacent angles, the sum of measure of all the adjacent angles on a horizontal line equals to
.
From the given figure, we have:

And from the definition of alternate angles, we have:

Answer:
Hi
Explanation:
Search it up on peer answer
Answer: It can cause injury
Explanation: It increases the risk of injury for beginners as they are newer to running and it is not ideal to add faster segments into training until you reach a higher fitness level
Answer:
optimism... or any synonyms for it
Explanation:
please mark the brainliest if I helped!