Answer:
Risk of carbon monoxide poisoning
Explanation:
Sitting on at the rear swim step of a motorized boat(motorized vessel) could cause carbon monoxide poisoning since this is where the engine gives off carbon monoxide into the atmosphere. It is therefore not advisable to sit in this part of the boat.
Planters realized that poor angry workers could be dangerous to have around
I believe its the special drawing right
(SDR), created in 1969.