Like lambs to a slaughter suggests that the slugs (much like the sheep) have no idea that death comes soon, for the slugs either the birds will get them, they get dried out(?), or they risk being found by a human. For the sheep, they’re happy because they have an unlimited supply of food and they’re happy, but they’re being led to their deaths.
C) collective noun
because collective nouns is a group of indivisuals, for example a crew or staff
In a physical change,cutting,tearing,shattering,grinding,and mixing will occur. If no chemical change happens,then the composition of the liquid does not change. If both aren’t involved,then nothing happens,they work together.