The answer is 3. Photosynthesis removes carbon dioxide while respiration puts back carbon dioxide
They will be travelling slower than 10mph.
if they were travelling at the same speed then they would stay an equal distance apart.
if they were travelling fatser then they would be getting further away more quickly than Bobby is catching up.
maybe they are travelling at 5mph but I'd say it's a safer option to chose under 10mph
Answer:
I'm not sure if I know whatever the answer is
Sippen lein an hr later is theanswer to both
Because a nuclear meltdown can be caused if systems fail.
