Two marbles of equal size and mass were placed on ramps of equal length and height. Marble A traveled a distance of 15 cm before stopping. Marble B traveled a distance of 8 cm before stopping. Explain why Marble A would have traveled farther than Marble B based on the diagrams.

How can an organ, such as the lungs, work for multiple body systems?

During binary fission, what events must occur before the cell splits into two new cells?

2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.