Which of the following describes how infectious agents in the environment would most likely affect one’s personal health? a. exposure would first cause a cell-mediated immune response from the body. b. infectious agents would trigger nonspecific external defenses such as sweat, saliva, and mucus. c. exposure would weaken the body’s immune system and leave it unable to fight future infections. d. infectious agents would invade the body and leave it unable to produce antibodies.

Which of the following is a cost of urbanization? a-cities can provide a high standard of living. b-cities are hubs of entertainment and education. c-paving over land changes the environment. d-job opportunities are greater in urban centers.

During endocytosis, cells expel what they don't need take in what they need shrink due to loss of water

Complete the sentences by matching the names of trees to the appropriate blanks. to do this, drag the names on the left into the appropriate blanks in the sentences on the right. match the words in the left column to the appropriate blanks in the sentences on the right. terms may be used more than once. make certain you have filled every blank with a term before clicking submit. 1. deciduous trees lose their leaves seasonally and include trees such as maple and elm. 2. conifer leaves are generally thin and needle-like, while seeds are contained in cones. conifers include cedar and pine. 3. evergreens are plants that maintain their leaves in all seasons and include trees such as cedar, elm, and pine. 4. hardwoods reproduce using flowers and have broad leaves; hardwoods include trees such as maple, , and cedar. elm returned you filled in 2 of 10 blanks incorrectly. mango trees are tropical broad leaf plants that maintain their leaves all year long. no credit lost. try again.