2 Points
Which of these is an example of something a civil engineer deals with?
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A. The sewage system in a neighborhood
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B. The wings on an airplane
C. A steel crane that can lift heavy objects
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D. A gauge that reads the force of an explosion

Which is true of the reactants in this displacement reaction? fe + 2hcl fecl2 + h2 a. the reactants are located to the left of the arrow in the chemical equation. b. the reactants contain 1 iron atom, 2 hydrogen atoms, and 1 chlorine atom. c. the reactants are the atoms, molecules, or compounds formed in the reaction. d. the reactants have the same physical and chemical properties as the products.

Answer asap : ( a. how does mucus prevent the entry of pathogens? b. describe two ways white blood cells protect us from pathogens.

Mach the labels with the symbols on the weather map