Professor radon is studying the system, which produces, circulates, and regulates levels of hormones in the body. adrenal circulatory respiratory endocrine

Which of these substances does not protect against invaders in the nonspecific immune response? a. saliva b. mucus c. tears d. urine

Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.

Need with these questions . need the answers in a rush for these questions are the answers i put down are correct or not? ?