Its 18 electron
1st orbital : maximum = 2 electrons
2nd orbital : maximum = 8 electrons
3rd orbital : maximum = 8 electrons
2+8+8 = 18 electrons
Answer:
Explanation: Renewable source are energy that is derived from the environment this include sun, wind. This energy have been utilized by many nations and companies for their activities. Fossil fuel is an example of non- renewable. The advantage of renewable energy include; It ability to be available all the time, they are renewed and always available this include sun, wind.
They are cost efficient this is because renewal of this energy is at no cost,they are available in the environment and can be channel for use.
They require no cost of transportation unlike other fossil fuel that will be moved from one place another and they are eco-friendly they do not bring fear of ozone layer depletion and green house gases.
Elevation is measured from the ground and up. Altitude is measured from sea level. The ground isn’t always at sea level, which causes the difference.
Answer:
The correct answer is "duct".
Explanation:
The structures at which substances are secreted in the body are known as ducts. For instance, the liver and the pancreas act as exocrine glands liberating bile and pancreatic juice, respectively. These exocrine glands secrete the substances from the gastrointestinal tract through a series of ducts. The ducts could be branched or unbranched, depending on the location at which the exocrine secretion takes place.
Desert because cacti store water and sidewinder snakes bury themselves in sand and many animals are nocturnal hope this helps god bless
