Which of these statements about heating up land and water is true? Land and water are heated to the same temperature.
Land is heated through radiant energy.
Land heats up slower than water.
Land is heated by conduction.

the answer is b. i hope this helps you have a great thanksgiving

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.