Global warming from human activity. Mainly the burning of fossil fuels. There are many solutions that are already available. Such as solar, wind, and geothermal energy. The issue is that these solutions also have problems and are expensive. Likely a combination of them and the engineering of ways to safeguard pollutants so they don’t make it into the ecosystem will be the best way that this will improve.
Closing the stomata reduces the amount of carbon dioxide that the plant can take in through its leaves, which will most likely result in <span>a decreased rate of photosynthesis.</span>
DNA isn't really copied, it's more so split into 2 parts.
DNA is split into 2 parts during mitosis, more exactly the 5th stage called anaphase. chromosomes, which hold DNA< are split into 2 (genetically identical) groups, and each respective group goes to one spindle or another, readying for the last phase of mitosis and eventually cytokinesis.
Answer:
Interesting, I thought you only had two days to live and was on breathing tube?
The correct answer is that they both contain the elements silicon and oxygen.