Thanks for the free points!!!!
Antlions are an insect under the order of Net-Winged insects, under the family of Myrmeleontidae. They dig pits to trap passing ants and other insect larvae, like caterpillars. They are carnivorous; more specifically, they are insectivores, in that they eat insects.
Answer:
Useful for humans to fight against insect
Explanation:
BT toxin is an insecticide toxin naturally produced by the bacteria Bacillus thuringiensis. Using genetic engineering plant were transform to produce it too, by adding the gen that codes the toxic protein "BT". Once an insect eats the genetically modified plant, BT proteins interacts in their midgut, harming the insect and killing it.
Our bodies sweat to cool us off and to avoid overheating. Therefore, I think the answer would be "liquid (sweat) sitting on the skin's surface" because sweat has been produced and is sitting to cool the skin. The other options seem to be either after the sweating occurs or interrupts the process of cooling. The third option is my best, process-of-elimination guess. Hope this helps.