Which of these pieces of evidence supported alfred wregener's original theory of continential drift a. a seafloor that was geologically active with earthquake, volcanoes and mountain chains. b. evidence of ancient tropical swamps in cold regions of north america. c. sea floor spreading at mid-ocean ridges. do not answer if you do not know it. and hurry up.

If the same amount of cacl2 is added to equal volumes of water and maple syrup, which will have the higher temperature?

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? a. the balloons both rise. the cold balloon is larger than the warm balloon. b. the balloons rise at the same rate. both balloons are the same size. c. the warm balloon expands and rises. the cold balloon shrinks and sinks. d. the cold balloon expands and rises. the warm balloon shrinks and sinks.

Ais a mountain created from eruptions of lava, ash, rocks, and hot gases.