Answer: Positive
Explanation:Because of the gain in speed
Answer:
Hypothesis If the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.
Explanation:
Answer:
B
Explanation:
You wont need to go get antibiotics to treat a common cold, just use over the counter meds. Strep and tuberculosis are more contagious and powerful.