What is a negative feedback? What is a positive feedback? What are examples of each ? Which ones drives the system to instability?

(drag each tile to the correct identify which questions can be answered by what can be answered by science or which cannot. -is it right or wrong to use genetic engineering to produce new food products? -what are the most common social settings that tend to produce accomplished artists? -if a new gene is added to the genome of a tomato species, will that species be more resistant to insects? -should humans use biotechnology to bring extinct organisms from the fossil record back to life? -do the types of organisms found in the fossil record appear in consistent sequences in different parts of the world? -are michelangelo's paintings more impressive than rembrandt's?

Someone me with this: a mineral' is determined by its actomic structure.

20 the compound al(nh3)2 has atoms of nitrogen.