Which result would be most likely to occur during mrna processing, exons were removed and introns are spliced together

Where would you most likely not find an alpine glacier? the himalayas the rockies the andes flat areas of antarctica

Would really appreciate it, i have an idea but not completely sure

What makes the results of a scientific experiment accurate? a) having multiple trials b) lacking any supporting data c) working in a lab d) using a hypothesis that is always true