Inez is making a model of a sugar crystal. She wants her model to show how the sugar molecules move in the crystal. She is using plastic foam balls to represent the sugar molecules. How should she put the plastic foam balls together to make her model? Group of answer choices

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

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

Which statement best describes the flow of energy in this scenario