It is the last choice because their similar bone structures suggest they once had a common ancestor, which is why they are all mammals.
Answer:
Carbon dioxide is a greenhouse gas and traps heat in the atmosphere. Without it and other greenhouse gases, Earth would be a frozen world. But humans have burned so much fuel that there is about 30% more carbon dioxide in the air today than there was about 150 years ago, and Earth is becoming a warmer place.
I believe it is during the day A
6co2+6h2o + energy , this are the reactants
Answer:
i believe it is B I could be wrong so dont take my answer for it
