Kristen is a researcher at an agricultural university studying the information and classification of soils. She deals with which type of soil? A. edaphology. B. Pedology. C. Soil mechanics. D. Soil physics

How do accessory pigments chlorophyll?

Which of the following is required of a new drug?me

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes