What is the role of producers in an ecosystem? Choose the TWO correct answers. A. They produce their own food. B. They consume what is produced by other organisms.

C. They are consumed as food by other organisms.

D. They consume other organisms to survive.

E. They break down organisms that have died.
PLEASE HELP ASAP

i'm pretty sure it is letter c.) car

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.