It is known as a concentration gradient which in diffusion will always flow from ares of high concentration to areas of low concentrations
So i believe the answer to this is A.
I think the answer is B. fatty acids
I can confirm after I finish the test
The correct answer is C.
The egg sinks in freshwater because it is more dense than the water. So, to make the egg float, you would have to increase the density of the water. Since salt water has a greater density than freshwater, you would add salt to the freshwater, thus causing the egg to float rather than sink.
Fossils, homologous structures, vestigial structures, biochemical comparisons, and similarities between developing organisms(embryology).
About 2 to 3 or 3 to 4 hrs. This can vary depending on the type of food as well your body movement.
