question 48\nwhich situation shows that the f...
question 48\nwhich situation shows that the forces are unbalanced?\nselect one:\n a. a person standing on a sidewalk\n b. a swinging baby hammock\n c. cars parked on a hill\n d. glasses on the tray of a waiter walking\n\nquestion 49\nhow do monsoons form during winter in the northern hemisphere?\nselect one:\n a. the air above land is hotter than the air above the ocean due to the suns heat. the cold air above the land blows above the ocean, and rain falls.\n b. the air above the ocean is hotter than the air above the land due to the suns heat. the cold air above the land blows above the ocean, and rain falls.\n c. the air above the ocean is hotter than the air above the land due to the suns heat. the cold air above the land blows above the ocean, and rain falls.\n d. the air above the ocean is hotter than the air above the land due to the suns heat. the cold air above the ocean blows above the land, and rain falls.\n\nquestion 50\nin brass, zinc atoms are dissolved in a copper matrix to form an alloy. what is the role of copper?\nselect one:\n a. it acts as the solvent, facilitating the formation of the brass alloy.\n b. it holds the solute zinc atoms to avoid dispersion evenly throughout the copper lattice.\n c. it reduces surface tension and facilitates the removal of dirt and grease from surfaces.\n d. its dopant atoms replace host atoms in the crystal lattice, creating charge carriers.