10. Synthetic materials O A) have only negative effects on the environment
OB) are obtained directly from nature
O C) have undergone chemical reactions
OD) have no similarity to materials in nature

Which best describes the digestive system of arthropods? a incomplete, two openings b complete, one opening c two-way, one opening d one-way, two openings

Along what geographical feature are most of the oil producing regions located

Adescription of a type of bio biotechnology (genetic engineering, cloning, or artificial section) one benefit or one risk for the individual (based on whether you are for or against it) one benefit or one risk for society (based on whether you are for or against it) one benefit or one risk for the environment (based on whether you are for or against it)