Consider the students' experimental design. What was the independent variable and what purpose did it serve to answer the research question?
A)
condition of tablet; chewing food
B)
time to dissolve; digestion process
9
time to dissolve; enzyme action time
D
condition of tablet; chemical digestion

answer: national resource conservation services

national resource conservation services is the us. based approach that provides technical and financial assistance for natural resource management. nrcs society in conservation of resources by involving in activities like farmland protection, flood prevention, watershed protection, urban conservation, conserves economic and environmental conditions. it conducts soil surveys and implements the policy of natural resources management on the society.

and after water is usually warmed by the sun the water temperature raises and then evaporates .