How does getting funding from the government affect scientific research? A. The government helps the scientists decide what research is
important
B. Scientists can only do research that helps the government protect
its citizens.
C. Scientists have to follow governmental rules made to protect
people.
D. The government tells the scientists what research they can do.

i'm assuming that the correct answer is indeed the first one/ "a"..

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 seismograph;

i believe the answer is 5,000