790 pounds
ray can weigh up to 760 lb.
about 790 pounds
About 6 inches.
it weighs up to 10-20 pounds when born
Put it in a tank with water. Then total weight of tank + water + stingray, then take out stingray and weigh tank + water. The difference is the weight of the stingray.
It weigh's 10 pounds.
None. It is a hole and therefore contains nothing.
A cubic yard is: volume defined by a cube that is 3ft x 3ft x 3ft; i.e. 3ft high x 3ft wide x 3ft deep. For example: a box 3x3x3 feet filled with gravel is one cubic yard since a yard=3 feet.
3ft
36
3ft x 3ft x 1ft = 9 cubic feet of dirt will be needed.