What are the characteristics of a buckeye leaf? needlelike simple leaves attached opposite each other on the branch
broad simple leaves attached at single points on the branch
broad compound leaves attached at single points on the branch
needlelike compound leaves attached staggered on the branch

Enzymes are proteins that speed up reactions by providing an additional energy source supplying additional molecules for the reaction removing inhibitors that slow down reactions lowering the amount of energy required

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.

How is the national wildlife refuge system similar to the pacific region coastal program? a. both programs are concerned with providing habitats for wildlife b. both programs are primarily concerned with preserving fish species c. both programs have set aside 150 million acres of land d. both programs are under the u. s. fish and wildlife service