The bond between which two atoms is most polar?

group of answer choices

i and cl

i and f

br and cl

br and f

List the path of the respiratory system

7. in the cycle, a virus integrates its dna into the host's dna, and its dna is replicated when the host dna is replicated. a. infectious b. retroviral c. lysogenic d.lytic

Which fossil fuel is mainly used for heating and cooking? a. electricity b. coal c. petroleum d. natural gas