Hey there,
Answer:
Photosynthetic cell
Hope this helps :D
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Answer: Air, sea water, and carbonation dissolved in soda are all examples of homogeneous mixtures, or solutions. Hope this helps :)
Answer:
sample A
Explanation:
the first one because of the ppm value
Pure air is a mixture of several gases that are invisible and odorless. Consists of 78% nitrogen, 21% oxygen, and less than 1% of argon, carbon dioxide.