How does tobacco use weaken blood vessels?

it thins artery walls

it raises blood pressure

it lowers heart rate

it decreases blood cholesterol

**i’m stuck between the first two options**

How many teeth on primary dentition

Fill in the table below by placing check marks in the appropriate boxes and writing the product of transcription and translation. super

Tanya is not able to solve a problem because she’s unable to see it from a fresh perspective. which obstacle to problem solving is tanya experiencing? a. fixation b. counterproductive heuristic c. confirmation bias d. overconfidence