Dinosaurs existed 4 the same reason that any other animal has existed or does exist. The dinosaurs evolve and were well adapted that they survived 4 millions and millions of years!
Hoped this helped! :)
Throwing waste in to water, or spilling anything in the water that's not supposed to be in the water
Answer:
Noncoding DNA does not provide instructions for making proteins. ... Such elements provide sites for specialized proteins (called transcription factors) to attach (bind) and either activate or repress the process by which the information from genes is turned into proteins (transcription).
Explanation:
