How are Pedro Cabrales and his team influencing the work to develop artificial blood? А They are developing blood substitutes by imitating blood functions from animal species. B They are researching ways to prevent injected hemoglobin from breaking down inside the human body. C They are making fluids to increase blood volume in the human body for when a blood transfusion is not possible. D They are testing the effectiveness of perfluorocarbons at different oxygen levels to improve its use in human patients.

Subject: save the whales! dear professor crest, i know you are really busy and everything, but i was hoping that you could spend more time thinking about how to save the whales. it’s up to us to speak up on their behalf. it’s really wrong that some amusement parks use these poor, defenseless animals for recreational purposes. this must be stopped, and you’re the person to do it! ttyl, jules which revisions would make this e-mail more formal? check all that apply. a. removing the contractions b. removing the exclamation points c. removing the salutation d. removing the slang and casual speech e. removing the information about amusement parks