They should be treated with respect because they are old then us and cant do as much things as we can.
Answer:
They pump blood/help us breathe oxygen.
Explanation:
The lungs are a very important part of the body, without them we would die.
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>The driver is most likely drunk and taking the risks. </span>
