Answer:
Darwin's theory states that all species of organisms arise and develop through the natural selection of small, inherited variations that increase the individual's ability to compete, survive, and reproduce.
examples: the giraffe's neck became longer as it stretched then they passed it to there children.
Explanation:
Answer:
The waste products are Carbon Dioxide and Water.
Explanation:

velocity= distance / time
your distance is 180 miles
your time is 3 hours
180 divided by 3 = 60
I think it's glucose. I hope I helped.
Length of time candle burns is the correct answer.