Indica que pasos de la metodología científica necesitarías emplear para explicar la corrosión que experimentan algunos metales como el hierro

substituting a hydrogen atom with a halogen in a hydrocarbon:

- the single bond remains single. a is wrong.

- the bond with hydrogen is as strong as with a halogen. c is wrong

- a hydrocarbon is saturated if there is no double bond. we do not know that so d is wrong.

- carbon will always have four valence electrons. e is wrong.

by elimination, the correct answer is b. the boiling point of the new compound increases.

answer; capital earns interest; entrepreneurship receives a profit or incurs a loss;

a physical change biology

explanation: