How many tropical rainforests are there?

How many tropical rainforests are there?

Rainforest Websites to read about rainforest habitats. This site has information about five major rainforests in the world.

How old is the tropical rainforest?

The vegetation types that evolved were the first tropical rainforests, which blanketed most of Earth's land surfaces at that time. Only later—during the middle of the Paleogene Period, about 40 million years ago—did cooler, drier climates develop, leading to the development across large areas of other vegetation types.

How much rainforest is destroyed every year?

That is more than 150 acres lost every minute of every day, and 78 million acres lost every year! More than 20 percent of the Amazon rainforest is already gone, and much more is severely threatened as the destruction continues. It is estimated that the Amazon alone is vanishing at a rate of 20,000 square miles a year.

Is the world losing trees?

A recent study, published in Science, finds that the world has lost over one-third of its primary forests (defined by the researchers as those undisturbed by humans for more than 140 years) between 1990 and 2015 to land-use change (eg, to create farms) and tree harvesting for wood.

Which is the world's widest river?

Amazon River

Which is the shortest river in the world?

Roe River

What is the longest river in the world 2020?

Nile

Which is the 12 longest river in the world?

Top 12 Longest Rivers in the World

• Mekong River. The Mekong is a major river in the Southeast Asia which runs through Tibet, China's Yunnan province, Burma, Laos, Cambodia, Thailand and Vietnam. ...
• Lena River. ...
• Amur River. ...
• Congo-Chambeshi River. ...
• Parana River. ...
• Ob-Irtysh System. ...
• Huang He River. ...
• Yenisei River System.

Which is the longest river in Asia?

Yangtze River

Is Amazon the longest river in the world?

The Amazon is considered the world's largest river by volume, but scientists have believed it is slightly shorter than Africa's Nile. ... According to the team's results, which have not been published, the Amazon is 4,225 miles (6,800 kilometers) long. The Nile stretches 4,160 miles (6,695 kilometers).

Which is the longest river of India?

Sl. No.	River	Length (km)
1.	Indus	2,900
2.	Brahmaputra	2,900
3.	Ganga	2,510
4.	Godavari	1,450

Who is the longest river in India?

Sl. No.	River	Length (km)
1.	Indus	2,900
2.	Brahmaputra	2,900
3.	Ganga	2,510
4.	Godavari	1,450

Which is the smallest country in Asia?

the Republic of Maldives

Which is the largest and longest river in the world?

Nile

Which is world's largest dam?

Three Gorges Dam

What are the richest country in Asia?

Qatar

Which country is big in world?

Russia

What is the hottest continent on Earth?

Africa

Is Australia the hottest place on earth?

A world weather map has revealed that Australia is currently the hottest place on earth as the country swelters through record high temperatures. ... But even Australia's southern hemisphere neighbours are nowhere near as hot, although parts of South America, south-east Asia and Africa are also over 30C.