Describe how an electron transport chain works. How are the electron transport chains similar different in photosynthesis and cellular respiration?

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.

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?

Hemoglobin is a proton that carries oxygen around the body what is hemoglobin made from