Which elements account for more than 97% of the weight of most organisms? A) C, H, N, Mg, O, S B) C, H, N, O, P, S C) C, H, N D) Fe, C, H, O, P E) Ca²⁺, K⁺, Na⁺, Mg²⁺, Cl^-

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Carbon (C), hydrogen (H), nitrogen (N), oxygen (O), phosphorus (P), and sulfur (S) are the primary elements that make up more than 97% of the weight of most organisms.

Which Elements Account for More Than 97% of the Weight