The location that is marked x is when
<span>changes occur gradually begins when lichens populate an area results in a reduction of the number of species
.</span>
Answer:
Skin is the largest organ and covers a surface area of 20 square feet.
Explanation:
Skin has three layers the epidermis, the dermis and the hypodermis. the epidermis is the outermost layer and provides a water-proof barrier. The dermis contains hair follicles, connective tissue and sweat glands. The hypodermis is the subcutaneous deeper layer made up of connective tissue and fat.
The respiratory system works directly with the circulatory system to provide oxygen to the body. Oxygen taken in from the respiratory system moves into blood vessels that then circulate oxygen-rich blood to tissues and cells.
about 25-35% and you should be burning most of it