What is the importance of sustainable agriculture?

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above

Atest cross can be used to -predict the phenotypes of a monohybrid cross -predict an unknown genotype of a purebred dominant plant -cross-breed dominant and recessive plants -give probabilities that a trait will appear