(Q).
Q: What helps treat bacterial infections in people?   Read this paragraph and choose the correct option from the provided answers:  Bacteria in food or water usually can be killed by heating it to a high temperature. Generally, this temperature is at least 71 °C (160 °F). Bacteria on surfaces such as countertops and floors can be killed with disinfectants, such as chlorine bleach. Bacterial infections in people can be treated with antibiotic drugs . These drugs kill bacteria and may quickly cure the disease. If you've ever had strep throat, you were probably prescribed an antibiotic to treat it.   Choices:  - respiratory drugs  - vaccines  - rest  - antibiotic drugs   A:
(A).
antibiotic drugs


(Q).
Q: What is the term for a technique used to separate out homogeneous mixtures in which one or more solids are dissolved in a liquid?   Read this paragraph and choose the correct option from the provided answers:  Evaporation is a technique used to separate out homogeneous mixtures in which one or more solids are dissolved in a liquid. Typically, the mixture is heated until all of the liquid has vaporized, leaving behind the dissolved solids ( Figure below ). The vapor can also be captured and recondensed into a liquid if desired.   Choices:  - transpiration  - absorption  - distillation  - evaporation   A:
(A).
evaporation


(Q).
Q: What is the column of hot rock that continuously brings hot rock up from the mantle toward the crust?   Read this paragraph and choose the correct option from the provided answers:  Some volcanoes form over active hotspots . Scientists count about 50 hotspots on the Earth. Hotspots lie directly above a column of hot rock called a mantle plume . Mantle plumes continuously bring hot rock up from the mantle toward the crust ( Figure below ). The rock melts due to the release of pressure.   Choices:  - volcanic vent  - hotspot  - flue  - mantle plume   A:
(A).

mantle plume