What are some differences between bacteria and viruses? How do certain pathogens develop drug resistance? What policies and programs should be enacted to protect us from drugresistant pathogens?

A television broadcasting company asked a sample of its customers. "What type of program do you watch most frequently?" The two-way frequency table shows the results of the survey. If the company wants to decrease the number of programs offered, which type of program should it choose to cut? Explain.

$$\text{Type of Program}\\ \begin{array}{|c|c|c|c|c|c|} \hline \text{Gender} & \text { Comedy } & \text { Drama } & \text { Sports } & \text { News } & \text { Total } \\ \hline \text { Women } & 123 & 215 & 89 & 306 & 733 \\ \hline \text { Men } & 127 & 110 & 217 & 222 & 676 \\ \hline \text { Total } & 250 & 325 & 306 & 528 & 1,409\\ \hline \end{array}$$

What conservative programs did Nixon support?

The pressure inside a bottle of champagne is 4.5 atm higher than the air pressure outside. The neck of the bottle has an inner radius of 1.0 cm. What is the frictional force on the cork due to the neck of the bottle?

Rewrite the following sentence to avoid gender-biased pronouns. Show three versions of the sentence given.

If any student needs assistance, Kathy Yerkes will help him.

a.

b.

c.

Fashion inspiration. Work with a few classmates to identify how celebrities, movies, and television programs inspire current fashion. Collect magazine photos and write descriptions for a bulletin board or poster display that illustrates this inspiration.

Describe the differences between bacteria and viruses.

Interview three athletes from different sports in your school. How do their preseason conditioning programs differ?

Make an appointment to interview someone at one of the organizations identified in Activity 1. During your visit, find answers to the following questions:

What types of programs/services does the organization provide?

Which weather patterns are caused by atmospheric pressure differences?

A sealed cylinder contains a sample of ideal gas at a pressure of $2.0 \mathrm{~atm}$. The rms speed of the molecules is $v_0$. If the rms speed is then reduced to $0.90 v_0$, what is the pressure of the gas?

At what depth beneath the surface of the lake is the pressure in the water equal to twice atmospheric pressure? a. $~$ $10 \mathrm{~m}$ b. $~$ $100 \mathrm{~m}$ c. $~$ $1000 \mathrm{~m}$ d. $~$ $10,000 \mathrm{~m}$

Where is the lowest and highest pressure in the vascular system found?

A tank with a flat bottom of area A and vertical sides is filled to a depth h with water. The pressure is Po at the top surface.

(a) What is the absolute pressure at the bottom of the tank?

(b) Suppose an object of mass M and density less than the density of water is placed into the tank and floats. No water overflows.

What is the resulting increase in pressure at the bottom of the tank?