Answer:
List the features of gas exchange surfaces in animals.
1)They are moist to prevent the cells from drying and to allow gases to dissolve;
2)They have a large surface area , so that a lot of gas can diffuse across at the same time;
3)They have a high concentration gradient - maintained by the movement of air & blood.
Answer:
atoms
Explanation:
all things in the universe are made of atoms and they are considered the fundamental unit of matter.
non-living things are composed of different compounds and molecules.
living things are made of cells, and cells themselves are made of different molecules. So living things are also made of atoms.
<span>The answer to coprolites may contain fragments of undigested food, and thus provide valuable information about the feeding habits of fossil organisms is true. </span>
The correct answer is A) Describes water’s attraction to other materials. Hope this helps.
Benedict's reagent is solution of copper sulfate,sodium carbonated,and sodium citrate
