The bark of a tree is impervious to gases and water because bark cells are dead cells of the epidermis and compactly arranged without intercellular spaces. They contain a chemical called suberin in their walls that make them impervious to gases and water and it doesn't allow gases or water into the tree as bark cells are in the bark outer most layer of the tree.
Answer:
Binomial nomenclature is the naming system developed by Carolus Linnaeus. In this system, latin language was used because it is a dead language which cannot be spoken by people in the world. In binomial nomenclature, two names are used. One for genus and the second for specie. For example, Rana tigrina is the scientific name of frog. In this name rana is genus and tigrina is specie.
The best answer would be enzymes since they are protein molecules and help build it. Enzymes also take part in reaction.
Answer:
160°
Explanation:
Ground pork should be cooked to an internal temperature of 160° to destroy the parasite Trichinella spiralis. 160°F (71°C) 89. All of the following are good instructions for preventing foodborne illness except when shopping, select meat, poultry, or fish first.
Answer:
the characteristics of living beings are all of the four
