A student adds a suspension of baker's yeast cells into bread dough. When is this mixture is left in a large bowl undisturbed for several hours, the student returns to find that the bread dough has double in size. What gas molecules is responsible for this increase in dough size?

(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?

Connection compare and contrast genetic engineering to the process of natural selection. select all statements that are true.

In the practice of science, this type of reasoning is used to develop explanations.