Orlando wrote on separate index cards four facts about cells. The four facts Orlando write are listed below:
1. Cell come only from existing cells
2. All cells contain hereditary information
3. All living things are made of one or more cells
4. A cell is the most basic unit of structure and function of all living things
He shuffled the index cards, spread them out on his desk, and asked Martha to pick
out the cards that describe the cell theory. Which cards did Martha correctly select?

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.