what particle is emitted when lead-214, 214 82pb undergoes natural radioactive decay to bismuth-214, 214 83bi?

From which college can you earn an associate's degree a. a four-year college b. a community college c. a vocational college d. a public university

In this food web, which group would increase in number if snakes were eliminated? a. producers b. decomposers c. primary consumers d. secondary consumers e. tertiary consumers

Rick is on a bicycle trip. every 4 days he bikes 230 km. if rick keeps this same pace for 16 days, how many kilometers will he bike?