What is the title of the book by marine biologist Rachel Carson that was published in 1962, asserted that the excessive use of pesticides threatened human health and the ecosystems which support food production, and to which chemical industries responded by dismissing the book as the work of an emotional woman, rather than a scientist

Are salt and soap nutrients or toxins for yeast? explain.

Explain light independent reactions

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.