What type of bonds connect the sugars to phosphates and the sugars to bases? Weak or strong? What type of bond connects a base to a complementary base in a base pair? Weak or strong?
What type of bond connects a base to a complementary base in a base pair? Hydrogen or Covalent?

Answer-

All the bonds are hydrogen bonds  and this bond is strong

the answer is a) a shiprock was formed by igneous process

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.