1. For every chlorine atom, there is
chlorine atoms is
sodium atom. Therefore, the ratio of sodium atoms to
2.
The Chemical formula for the compound that forms between sodium and chlorine is...
3.
For every atoms of calcium, there are
calcium atoms to chlorine atoms is
Jatoms of fluorine. Therefore the ratio of
4.
The chemical formula for the compound that forms between calcium and fluorine is...

How does the study of genetic disorders such as pku biologists understand normal alleles?

Which process of living things produces water that enters the water cycle

Juan and carol were studying invertebrates in biology. they knew that segmented or earth worms preferred a dark, moist habitat. during this lab, they would be investigating the responses of organisms called planaria or dugesia tigrina. these were simple flatworms that still had a one-way digestive system and a very simple nervous system. juan and carol placed the planaria in a petri dish containing cool, distilled water that was partially covered with black paper. they shined a light on the dish. next, they removed the paper and placed a small amount of chicken liver at one end of the dish. they added a few large salt crystals to the water. finally, they added drops of hot water to the cool water in the petri dish. their results can be seen in the data table. according to their experiment, all but one conclusion is valid.