1. Physical Weathering. In physical weathering the rocks are broken down into smaller pieces, but the chemical composition of the rock remains the same. Temperature Change. Hot temperatures can give rise to thermal expansion in rocks and cool temperatures can cause rocks to contract.
Buffett Donates $2.8 Billion, Breaks Personal Giving Record. Warren Buffett has bested his own personal philanthropy record once again, donating $2.8 billion to the Bill and Melinda Gates Foundation and several other charities as part of his annual giving pledge. The gifts given Monday top last yearâs $2.6 billion donation.
A gift of shares worth$1.5 billion from Bill Gates net worth was donated to The Bill & Melinda Gates Foundation. The huge Bill Gates net worth allowed Gates and wife Melinda to be the recipient of India's third highest civilian honor Padma Bhushan in 2015 for their foundation's philanthropic activities in India.