Organic matter could mean a lot of things. When we stick to the scientific definition, there are compounds that contain the elements hydrocarbons. Most of these compounds are found in living things. However, when used in this example, organic matter is used to feed living things. Thus, this means that organic matter means food.
Sentences that delay the main point until the end of the sentence are called periodic.
It would most likely be A. mend because solder means to join together
