DDT is a synthetic compound commonly used as an insecticide. It was used to control mosquito species that commonly spread diseases like malaria. The data show the percent resistance for three species of mosquitoes over three decades. What explains the trend seen in the data?

Check all that apply diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials

Explain why the plants cortex would serve as the best food source for animals

Which process of living things produces water that enters the water cycle