Weather satellites help show where the warm fronts and cold fronts are plus weather what counts are in the air! This helps them know it’s it’s going to rain snow or be sunny
Initiator proteins break hydrogen bonds separating short length of DNA, AT base pairs are held together by fewer hydrogen bonds than GC pair. Thus AT pairs are easier to pull apart, At rich regions are typically found in the replication origins. Replication origins are site at which DNA is first opened.
The answers is chromosomes
I'm not 100% sure, but I'd say the availability of vaccines and medicine.
