What evidence could be used to convince policy makers to change a shipping lane from going through a whale breeding ground? a, information on the number of all whale species currently alive b. information on the number of all whales hit by boats in the given area c. information on the number of whale deaths in the world's oceans d. information on the number of whale offspring born every year

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 8 options: the cold balloon expands and rises. the warm balloon shrinks and sinks. the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the warm balloon expands and rises. the cold balloon shrinks and sinks.