the changes that have occuredd in mother earth
Answers
THERE’S LESS AIR POLLUTION
As cities and, in some cases, entire nations weather the pandemic under lockdown, Earth-observing satellites have detected a significant decrease in the concentration of a common air pollutant, nitrogen dioxide, which enters the atmosphere through emissions from cars, trucks, buses, and power plants. The drop, observed in China and Europe, coincided with stringent social-distancing measures on the ground. Air pollution can seriously damage human health, and the World Health Organization estimates that conditions stemming from exposure to ambient pollution—including stroke, heart disease, and respiratory illnesses—kill about 4.2 million people a year.
CITY SOUNDSCAPES ARE CHANGING
With so many people staying home—and public-transit agencies cutting service as a result—there’s significantly less noise from cars, buses, trains, and other transportation. Erica Walker, a public-health researcher at Boston University, has taken a decibel meter with her on her socially distanced walks, and she has been stunned by the measurements. “It’s a lot quieter,” she told me
In our mother earth many changes took place which changed the earth
1. Deforestation ... Loss of oxygen..... Loss of food.... Less resources
2. Pollution
3 population
... Etc..
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