Experiments are especially appropriate for research projects involving all of the following except: (a) explanatory research.(b) the testing of relatively limited and well-defined concepts and propositions descriptive research.(c) small-group interaction.(d) hypothesis testing.

the correct labels are as follows:

a: yellow river

b: himalayan mountains

c: north china plain

d: taklimakan desert

early settlements on the subcontinent. both the indus and the ganges rivers carried rich silt from the mountains to the plains. when the rivers flooded, the silt spread over the plains and made the soil in the river valleys fertile for farming.

the telephone is the answer

they protect against unsafe foods and medicines being sold

explanation: