Explanation:
Observations allow us to collect data that we can connect back to the central problem. From this data we can start to form hypotheses (predictions on possible solutions or outcomes).
Answer:
1.) Carbon Dioxide is being used as a greenhouse, preventing the heat from turning into thermal radiation into space.
Giraffe is the animal with bottom teeth.
This can happen because you have recessive and dominant characteristics passed down. So you can get a totally different chromosome that doesn't come from your parents because your grandparents may have had it or great grand parents, the line keeps going .
