Can someone answer the first one?

independent variable: the volume of the music

Dependent variable: The amount of milk produced

2 controlled varibles: the goat, the type of music

Hypothesis: If the volume of the music is turned up, then the goata will produce more milk

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.