What is the subject of the sentence below? The manatees are also called sea cows and were once on the endangered species list.
-manatees
-are called
-sea cows
-endangered species

Which of the following always exist between two objects having mass ● elastic force ● contact force ●gravitational force ●magnetic force

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

If you constantly work its possible that you will become burned out at your job?