The rings in a cut tree don’t just reveal its age. They can also show signs of environmental changes, like a volcanic eruption or severe drought.
Image Courtesy – Science Daily | Powered By – NY Times
The rings in a cut tree don’t just reveal its age. They can also show signs of environmental changes, like a volcanic eruption or severe drought.
Image Courtesy – Science Daily | Powered By – NY Times
The world wastes about 1 billion metric tons of food each year.
Image Courtesy - NBC News | Powered By - Shortpedia
