If a 250.0 ml sealed plastic bag starts out at a temperature of 19.0 °c and after sitting in the sun reaches a temperature of 60.0 °c, what will the new volume of the bag be? assume the pressure inside the bag remains constant. a. 219 ml b. 267 ml c. 272 ml d. 285 ml

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

7. in the cycle, a virus integrates its dna into the host's dna, and its dna is replicated when the host dna is replicated. a. infectious b. retroviral c. lysogenic d.lytic

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