Which of the following statements regarding public speaking is the most accurate? 1. Language theories (general semantics) tell us that meanings are in words themselves, not in the interpretation of those words.

2. The language spoken by the greatest number of people on the planet is English.

3. Spoken language includes more personal pronouns and more expressive, emotional, colloquial, slang, and nonstandard words.

4. Language is simply something we use; it is not part of who we are or how we think.

Wo firms, a and b, each currently dump 50 tons of chemicals into the local river. the government has decided to reduce the pollution and from now on will require a pollution permit for each ton of pollution dumped into the river. it costs firm a $100 for each ton of pollution that it eliminates before it reaches the river, and it costs firm b $50 for each ton of pollution that it eliminates before it reaches the river. the government gives each firm 20 pollution permits. government officials are not sure whether to allow the firms to buy or sell the pollution permits to each other. what is the total cost of reducing pollution if firms are not allowed to buy and sell pollution permits from each other? what is the total cost of reducing pollution if the firms are allowed to buy and sell permits from each other? a. $3,000; $1,500 b. $4,500; $3,500 c. $4,500; $4,000 d. $4,500; $2,500