The lewis dot diagram for an unidentified element is shown below. which element could x represent?

What is the leading cause if water scarcity throughout much of the world

Dna is a polymer of which consist of a sugar, a phosphate group, and a a. amino acids; nucleotide b. nucleic acids; nucleotide c. nucleotides; nitrogenous base d. nucleotides; nucleic acid e. proteins; nucleotide

"what factors influence the absorption of sunlight at earth's surface? "