He did not take in to account for wind currents and the fact that CO2 or the carbon stays in the air
<span>Modern humans have been around for a very short period of time. There are differences in race, asian people tend to be smaller, stuff like that. The problem is different races marry and those genes mix. If Asians only married pure blood Asians, Africans only married and procreated with other Africans thanks in hundreds of thousands of years different sub species would most likely start to occur. Seeing as how human population is all connected today, that won't happen.</span>
Answer:
basically every living thing breathes oxygen O2 and exhales carbon dioxide CO2
Explanation:
So orcas use O2 and produce then CO2.
Circulatory system and nucleus
Answer: Photosynthesis removes carbon dioxide from the atmosphere and releases oxygen, Respiration takes oxygen in and releases carbon dioxide, decomposition releases carbon dioxide back into the air from dead animals or waste, Burning is the same
Explanation: