Which of the following provides evidence to support the continental drift theory?

Group of answer choices

Mapping of the ocean floor using sonar shows plates moving apart

Shape of continents look like puzzle pieces that can fit into one another

Spreading apart of the seafloor at the divergent boundary of the mid-ocean ridge

Symmetrical pattern of magnetic stripes in the crust on both sides of the mid-ocean ridge

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.

Idon’t know how to solve this question

Which compounds have the empirical formula ch2o? a.c2h4o2 b.c3h6o3 c.ch2o2 d.c5h10o5 e.c6h12o6