17. Which of the following a. Refers to any natural hazard or threat that causes fatality or damage to property. b. Refers to any geologic processes that helps in the boosting of environment. c. Refers to endogenous and exogenous processes. d. Refers to the activities brought about by humans. 18. The following are factors that cause the occurrence of biotic weathering, except? a.Wind 19. He is the founder of modern geology. a. Charles Darwin b. James Hutton c. AndrijaMohorovicic d. Beno Gutenberg b. plants c. animals d. humans

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