What are the 8 human activities responsible for extinction of animals and birds?

Answer 1

There have been several extinction events in the Earth's history. Scientists have determined (using data determined from the Earth itself and found using the latest equipment we have been able to manufacture) that some of the major extinction events have been caused by large asteroids colliding with the Earth.

When a large asteroid collides with the planet, the dust and water vapor raised by the collision can occlude the sunlight from reaching the planet. When this happens, the vegetal food (plants) are the first to die. If the occlusion lasts long enough from a major strike, then the animals who depended on that food, dies out as well. Then the animals who preyed on those animals will die out.

Another type of extinction event MAY have happened much more recently in our planet's history.

Scientists have found that as the last ice age was ending, dust from possibly the Sahara desert was blown into the atmosphere, occluding the sun again, causing widespread death to major flora and fauna about 11,000 years ago. Some parts of North America was buried in up to 800 feet of new soil and debris which sifted down on the continent. Animals such as the Woolly Mammoth and the Saber Tooth Cat could have been some of the most recent animal extinctions caused by natural occurrences on the planet.

Answer 2

1 pollution

2 construction

3 wastage

4 cutting trees

5