Buffer zones a. can regulate the acidity of aquatic ecosystems. b. increase erosion rates. c. are set up around natural resource areas. d. all of the above.

Trilobal fibers were found on kidnapping victim. which of the following fibers would most likely to be trilobat? a. cotton b. nylon c. wool d. silk me

How is the male reproductive system different from other body systems? it isn’t necessary to vital signs. it monitors other body systems, and adjusts if necessary. it transports items from one system to another. it is the only system that produces hormones in the male.

Which of the following is a macronutrient? carbohydrates lipids amino acids all of the above