Matthew and bradley got into an argument. matthew was convinced that the above picture was rna, and bradley was positive that it was dna.
who is right and why?

a time line cause it goes from 685 to 978

climate change and pollution

he movement of air through earth's or any planet's atmosphere is called wind, and the main cause of earth's winds is uneven heating by the sun. this uneven heating causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.

i hope this : )