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>
<span>There is evidence that cardiorespiratory exercise can help prevent heart disease due to the fact that it can help lower blood pressure. This exercise does not have to be high-intensity, serious fitness training - just a small amount of exercise each day can help contribute to a healthier body.</span>
The person has blood type O
Quadrant One.
You would go over to the Left 7 spaces, which will get you into the negatives, and then up 3, which is positive.
