HELP URGENT Which is true for all stem cells?
○They express the same genes to become specific types of cells.

○They receive cellular signals to repair different types of cells.

○ They acquire DNA changes and are unable to replicate new cells.

○ They share the same DNA and can become a variety of new cells.​

Which of these is the most likely consequence of falling petroleum price

25) a student takes four samples of a white crystalline solid and places each in a well plate. on top of each sample, she carefully places 20 drops of clear mystery liquids a, b, c and d. her results for each well are: liquid a: the solid dissolves quickly. liquid b: the solid appears unchanged. liquid c: a brownish colored liquid is produced. liquid d: fizzing occurs and the well becomes warmer. in which well does a physical change occur?

Which two factors contributed to creating a global culture? the creation of the united nations improvement in telecommunications health issues such as the ebola virus increased opportunities for global travel