Inventor John Friedman created a prototype of the first flexible straw by inserting a screw into a paper straw and, using dental floss, binding the straw tightly around the ______ When the floss and screw were removed, the resulting corrugations in the paper allowed the straw to bend easily over the edge of a glass. Which choice completes the text so that it conforms to the conventions of Standard English?

Which of the following accurately describes the rough endoplasmic reticulum and the smooth endoplasmic reticulum?

Plants often have a waxy covering on the outside of their leaves to prevent water loss. This waxy covering probably contains mostly which organic compound?

While researching a topic, a student has taken the following notes: • NASA uses rovers, large remote vehicles with wheels, to explore the surface of Mars. • NASA’s rovers can’t explore regions inaccessible to wheeled vehicles. • Rovers are also heavy, making them difficult to land on the planet’s surface. • Microprobes, robotic probes that weigh as little as 50 milligrams, could be deployed virtually anywhere on the surface of Mars. • Microprobes have been proposed as an alternative to rovers. The student wants to explain an advantage of microprobes. Which choice most effectively uses relevant information from the notes to accomplish this goal?

Which of the following statements is/are true for finding a median? I. Always search for the middle number II. Always arrange in increasing or decreasing order before searching for the middle number III. Once arranged, if the set has an even number, just take the two middle numbers and subtract them and divide by two IV. Once arranged, if the set has an even number, just take the two middle numbers and add them and divide by two

Find the median of the set: 15,15,19,21,22,24,26,27,29,31,33,36