Which of the following set of elements is among the vital elements to living things, as represented by the mnemonic "CHNOPS"?
A. hydrogen, phosphorus, sulfur
B. nitrogen, oxygen, sodium
C. carbon, potassium, sodium
D.
chromium, nickel, platinum
E
helium, osmium, selenium
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here is the answer

water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. weathering is the breaking down or dissolving of rocks and minerals on earths surface. once a rock has been broken down, a process called erosion transports the bits of rock and minerals away.

my answer is the prothallium.brainliest