Pharmaceutical and biotech companies need to regain the billions of dollars expended in the research, development, testing and marketing of drugs. how should they protect intellectual property advances in light of current us laws? should there be limits to these protections?

During bad weather, you should travel_the posted speed limit.

Signs tell you what roads, cities, and services are nearby.

How can you tell that you're driving in the right direction? options are a. there is a white line on your left and a yellow line on your right. b. there are yellow lines on both sides of your vehicle. c. there is a double yellow line on your right. d. there is a yellow line on your left and a white line on your right.