Vaccines are given to provide protection against pathogen causing infections. Which of the following statements best describes how vaccines work​

the backbone of the dna and rna compound is sugar phosphate.

the correct answer should be false

{apex}

feral cats are estimated to eat tens of millions of native animals each night in australia

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds