The Ogallala Aquifer is the largest aquifer in the United States.
It occupies an area of 174,000 square miles, spreading across 8 Great Plains States.
Platypus reproduction is nearly unique. It is one of only two mammals (the echidna is the other) that lay eggs. ... The duck-billed platypus finds food by feel and by detecting electrical signals. The male platypus has a venomous spur on the inside of its ankle.
Catalyst<span>A catalyst is a substance that causes or accelerates a chemical reaction without itself being affected.
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[Here is another answer explanation that might help you understand a catalyst's role better --
brainly.com/question/328702 ]
