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>
it's the circulatory system,the heart and blood vessels
Answer:
maximum heart rate i think but imnot 100% sure
The answer is C. Hereditary diseases
Cultural influence on our wellness come from the social activity in our environment,
meanwhile, hereditary diseases ( such as down syndrome, Huntington syndrome, hemophilia, etc) are influenced by genetics, which mean we're born with it.
Because their answers are false. And there is proof to show it.
