I guess it is increasing concentration of carbon
producing a hole on ozone is because of the Freon in air conditioners and i guess all the others are wrong <span />
<span>When a system is behaving erratically, a graph of data measured from the system
</span><span>does not form a pattern.
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~Hello there!
Your question: ____________________ are chemical messengers that allow an organ to send signals to another distant organ in the body through the blood.
Your answer: Hormones are chemical messengers that allow an organ to send signals to another distant organ in the body through the blood.
Any queries ^?
Happy Studying!
If reproduction didn't exist, all species would eventually go extinct.
Although "further disturbances" is pretty vague, both climate change and nonnative species will definitely have a potentially long term impact on an ecosystem