Experiment to determine the percentage of organic matter in a sample of soil

How do chloroplasts set plants apart from other living things

Plz ! cattle ranchers and dairy farmers rarely allow all of their animals to reproduce instead they practice selective breeding and only encourage the reproduction of animals with specific features. which of the following cows would a dairy farm most likely choose to reproduce? a. a cow that makes a lot of milk. b. a cow that can run quickly. c. a cow with a think, soft fur. d. a cow with large, strong hooves.

Knowing the importance of the essential elements, why would someone chose a diet that does not address all of them?