Which statement best explains how I am become a magnet

Examine the equation. 23490th→23088ra+42he what kind of barrier would you need to block the radioactive particles from this reaction? a. a piece of paper b. a sheet of aluminum foil c. a two-inch block of lead d. a solid concrete block

Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.

Explain the comparisons between nature and packingtown that appears on pages 81 and 82 answer