The agricultural practice of irrigation leaves behind which pollutant in the soil? a. salt b. acidic compounds c. pesticides d. nitrogen compounds it's a salt. apex

Sea stars, sea urchins, sand dollars, and brittle stars are all memeber of a group, what is the common name of the group they are all in

Which of the following is a good definition for the word adaptation? question 1 options: a trait that an organism survive and reproduce in its environment. a change in an organism's environment. the way in which animals obtain food. a temperature change that can cause the extinction of plants and animals.

Which describes the habitat of a frog?