Risk-taking has been shown to be affected at a bal of a. 0.10 b. 0.08 c. 0.12 d.0.05

The correct option is A.

Risk taking has been shown to be affected at a BAL of 0.01.

The full meaning of BAL is blood alchol level. Blood alcohol level refers to the amount of alcohol that is present is a specific quantity of one's blood. As the quantity of alcohol one is taking in increasing the BAL also increases and this affect the way one behave. At the BAL of 0.10, one's ability to think and to judge is severely affected thus making one to become prone to unnecessary risk taking behavior.

one centimetre is equal to 0.01 metres

and after water is usually warmed by the sun the water temperature raises and then evaporates .