Answer:
t=17.61 years.
Explanation:
Given that
Reserve of energy = 10,000 EJ
Energy used by human = 18 TW
We know that


So



Lets t time after energy will be exhaust
So



We know that
1 year = 365 days
1 year = 365 x 24 hr
1 year = 365 x 24 x 3600 s

So

t=17.61 years.
Answer:
Option (D)
Explanation:
Organic detritus usually refers to those materials that are the remains of dead organisms such as plants and animals.
The flowing water ecosystem such as the head-water streams obtains most of the materials from the nearby terrestrial and aquatic places due to the surface runoff. It is highly rich in the amount of organic detritus, as the materials such as leaves, branches, roots, soil particles, and other organic waste products are transported from the land areas, thereby obtains its energy from them.
Thus, the correct answer is option (D).
With South Americas Rain forest , it produces 20% of the earths oxygen. Also many drugs used to treat people have come the plants of Amazon. The worlds climate would be much different because ocean currents would be different . Europe would not have the warmth of the North Atantic drift current to keep it warm. It would be more like Siberia .It is located primarily in the southern hemisphere. It is bordered by the Atlantic Ocean to the east and the Pacific Ocean to the west. The geography of South America is dominated by the Andes Mountain Range and the Amazon River (second longest river in the world).Andes Mountains. The Andean Mountains, or Andes, stretch for nearly 7,000 km across the continent, from the top to the bottom. ...
Amazon Basin. ...
Atacama Desert. ...
Brazilian Highlands.
Isla Grande de Tierra del Fuego. ...
Marajó