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.
Warren Edward Buffett is an American business magnate, investor, and philanthropist who serves as the chairman and CEO of Berkshire Hathaway. He is considered one of the most successful investors in the world and has a net worth of $87.5 billion as of February 17, 2018, making him the third wealthiest person in the United States and in the world. Buffett was born in Omaha, Nebraska. He developed an interest in business and investing in his youth, eventually entering the Wharton School of the Uni