The answers A. C. D. are all physical reactions
The answer is B. Digestion of food
When food is digested it is chemically broken down
Hope this help!
During mitosis the cell splits and becomes two
Answer: Those which can adapt and withstand the high acidity levels of water.
The pond slowly becomes more acidic due to release of chemicals from a nearby factory. The chemicals released are acidic and toxic which will cause biomagnification in the pond water. Those organisms which can withstand the high acidic pH of water will survive. Others which can undergo adaptations can also survive.
Nitrogen Fixation. Good luck :)
Answer:
prokaryotes have no nucleus and membrane bound organelles but eukaryotes do
