I would say Salt water is classified as a Mixture.
Answer;
-They are absorptive interfaces with the environment.
Explanation;
-The important point is that the surface area to the volume ratio gets smaller as the cell gets larger. Thus, if the cell grows beyond a certain limit, not enough material will be able to cross the membrane fast enough to accommodate the increased cellular volume.
-The surface area to volume ratio of an object is the relationship between two measurements. It is the ratio of Surface area to volume. It shows the comparison between the size of the outside of an object and the amount inside. Small or thin objects have a large surface area compared to the volume.
Answer:
B.) Oceanic crust
Explanation:
The oceanic crust is generally thinner than other Earth layers. The oceanic crust is the thinnest layer of the Earth, amounting for less than 1 percentage of earth's volume.
The gradual decline in men's testosterone levels in middle age can reduce their sex drive
Answer: I believe the right answer is B) atmospheric nitrogen→bacteria→plants→animals. I'm pretty sure!
Sorry for answering a bit late, hope that helps! :-)