Question 17 (6 points). Vultures, which are classified as scavengers, are an important part of an ecosystem because they cause the decay of dead organisms, which releases usable energy td-herbivores and carnivores are the first level in food webs and make energy available to all the other organisms in the web hunt herbivores, limiting their populations in an ecosystem feed on dead animals, which aids in the recycling of environmental materials

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.