Why is the theory of plate tectonics considered a theory and not a hypothesis

Plate tectonics is the theory that Earth's outer shell is divided into several plates that glide over the mantle, the rocky inner layer above the core. The plates act like a hard and rigid shell compared to Earth's mantle.

Explanation:

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully

examples of nucleic acids are deoxyribonucleic acid (dna) and ribonucleic acid (rna).