Answer:
Pad
Explanation:
In case I laugh so hard I pee myself
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>
Unhealthy weight gain may cause heart disease, stroke, cancer, and many other diseases. Hope it helps! :) If you could vote my answer as the brainiest, that would be awesome! :)
<span>Body Temperature Regulation
</span><span>Disease Protection and Healing
</span>Carbon dioxide and oxygen transportation
<span>Nutrient and Waste Product Transport
</span><span>Hormone Delivery
</span>
