Which of the follwoing characterizes the " precastionary principle" as it applies to risk from exposure to consumer products
a. products should be proven to be safe before they are put on the market.
b. the burden of proof should be on those that question the safety of a product
d. the burden of proof should be on the summer
e. pre-testing is unncecessary because if it is harmful we will be able to tell soon afte it enters the market.