Whic of these hydrocarbons contain a single bone between carbon atoms?

Aliphatic hydrocarbons are divided into three main groups according to the types of bonds they contain: alkanes, alkenes, and alkynes. Alkanes have only single bonds, alkenes contain a carbon-carbon double bond, and alkynes contain a carbon-carbon triple bond.

the eggs of the insects should be the first thing collected at the scene.

false

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.