7 Science Exam Questions With 100% Correct Answers

Which of the following processes cause most of the carbon dioxide from the blood to move to the alveoli? A. Conversion to carbon monoxide B. Diffusion down a concentration gradient C. Passive transport using carrier proteins D. Active transport using energy {Ans: B. Diffusion down a concentration gradient}Sometimes, your playful pooch might give a little nip to your hand or something else that shouldn't be bitten. To stop bad biting behaviors, you should attempt to redirect your dog's attention to an appropriate chew toy. You can do this by placing the toy in their mouth and praising them, causing your canine companion to associate chewing on the chew toy with positive emotions. Another step you can take to redirect biting behavior is to use biting deterrent spray. The spray can be homemade or store-bought. Just make sure that the ingredients won't make your puppy's tummy sick! Which of the following terms identifies the author's tone in the passage A. Informal B. Sarcastic C. Formal D. Scientific {Ans: A. Informal}An Interesting Birthday Party On Saturday afternoon, local eccentric Dr. Oliver Creekstone held a remarkable 90th birthday party at his countryside estate. Present were 3,000 guests, four zebras, two monster