In any food web, the organisms that are responsible for converting raw energy into usable chemical energy are collectively called , while organisms that recycle the nutrients trapped in dead organisms are collectively called .
A) producers; consumers.
B) producers; decomposers.
C) heterotrophs; consumers.
D) heterotrophs; autotrophs.

B. Producers and decomposers

Explanation:

Producers aka plants convert raw energy into chemical energy.

Decomposers are responsible for decomposing dead organisms.

the answer is b

Explanation:

Because it provides for the restoration of the life cycle

most likely he is cheating on you

we can conclude that the melting point of table salt is above room temperature (it's actually 801 deg c). the melting point of mercury must be below room temperature (- 39 deg c).