3. What does the article suggest about the effectiveness of measures like wearing masks and social distancing in controlling the virus's spread? 4. How did the pandemic alter daily routines for students and their families, and what can you infer about the challenges they faced? 5 . What can be inferred about the importance of vaccines in reducing COVID-19 cases in the United States?

8. Wolves are at the top of the wolves all but disappeared from Yellowstone. Which of the following was a likely effect of the wolves' disappearance?

Which of the following happen when dehydration begins to occur? the body reduces fluid output to zero polyuria is present. the body increases the release of atrial natriuretic hormone the salivary secretions decrease

\( \checkmark \) Indique comment la ronce conquiert un autre milieu, même éloigné? Comment s'effectue alors la dissémination?

MODULE 23 Assessment Vocabulary Review Correct the sentences below by replacing the italicized term with the correct vocabulary term. 1. A(n) infection is an organism that causes disease. 2. A substance that kills cells or interferes with their functions is called a(n) vector. 3. When pathogens in the body multiply and damage body cells, a(n) virus results. Understanding Key Concepts After reading the question or statement, select the correct answer. 4. The common cold and influenza are caused by a. overeating. b. viruses. c. bacterial infection. d. exposure to toxins. 5. Malaria, West Nile virus, and Lyme disease are

9. In a study of the habitat of a population of raccoons, scientists found that the number of raccoons increased where people built houses. What might the scientists conclude from this observation?