Answer quickly pl 100 points

what are the two types of genetic molecules, contained in living things, that the bases formed from formamide make?

nucleobases and nitrogen

hydrogen and oxygen

dna and atgc

dna and rna

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?

What is the main reason why some developing countries fear the increase the free trade policies around the world?