Which part of a scientific argument must be supported by valid data?

a. claim
b. evidence
c. reasoning
d. theory

Which of these conditions most likely produces an unstable isotope?

Answer explain why it is not possible to deduce a complete order of reactivity.

Which of the following warnings would an agricultural chemist tell a farmer who wants to recycle his or her own ammonia? recycling ammonia is a difficult process that sometimes takes weeks. recycling ammonia requires a degree in biochemistry or a related field. recycling ammonia can be harmful because it is highly flammable and toxic. recycling ammonia costs too much money considering the price of the necessary chemicals.