Which of the following is an example of conduction A a dog bowl of water warms up out in the sun B leftovers become warm when reheated in the microwave. C campers warm up while sitting by a campfire D a metal spoon becomes warm when placed in a cup of hot tea

You see a white marker with an orange circle and black lettering. what does this marker tell you

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.

Recommend a strategy for incorporating sustainable human activity into a tropical rain forest biome.