Please answer the question on the picture

What is the cause hearing loss in human being

What was the purpose of mendel's experiments with dihybrid crosses? a. to determine if dna was a transforming factor b. to determine if traits could be recessive c. to determine if traits affected each other d. to determine if traits had more than one allele

Which situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box