The air that we breathe is mostly made up of nitrogen (78%). 21% is oxygen which is needed for animals and humans in respiration and 0.03% is carbon dioxide which is needed for plants to make energy in a process called photosynthesis. The bit that is left is made up of rare gases like helium and argon and methane.
<span>This would be an example of an invasive species. This is any fungus, animal, or plant that is not native to the area's ecosystem but is brought in an then spreads to a degree that could potentially cause damage to peoples health, the economy or the environment.</span>
The salt could become rotten or if exposed to something that is used alot it could be bad to touch <span />
Answer:
Fibroblast
Explanation:
Connective tissue is the tissue which is named for its function that is the tissue which connects the two system, two tissues and two cells in a body.
The connective tissue is usually composed of a variety of cells which includes mast cells, adipocytes, macrophages and some fibres.
The fibre is the main component of the connective tissue as it provides strength to the tissue, therefore, the fibroblasts which secrete these fibres called collagen fibres and the components of the matrix form the highest composition of the connective tissue.
Thus, Fibroblast is correct.
The accessory structures of the skin include all of the following, except the epidermis
<h3>The structure of the skin</h3>
The skin is the largest peripheral organ of the human body that provides physical protection for the underlying vital organs.
There are three main layers of the skin which includes:
The accessory structures of the skin embryologically originate from the epidermis and extend down through the dermis into the hypodermis.
These structures include:
- hair,
- hair, nails,
- hair, nails, sweat glands, and
- hair, nails, sweat glands, and sebaceous glands.
Therefore from the options given, the accessory structures of the skin include all of the following, except the epidermis.
Learn more about the skin here:
brainly.com/question/25753221