The correct answer is D.
Magnets only attract to the opposite poles.
North and South poles attract.
North and North poles do not.
Hope this helps.
There ethnic was wavered after most of them were wiped out
1. The cells contain the same genes and express the same genes.
2. Multipotent (can differentiate to a limited number of cell fates/into a closely related family of cells).
3. Multipotent, totipotent, pluripotent (though I'm not 100% sure on this one).
4. Provide a source of cells for the body to replace certain types of cells that die.
Executive branch responsibilities in policy implementation