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.
Clockwise from top left: Late actor Philip Seymour Hoffman, business magnate and investor Warren Buffett, artist Sting and Microsoft founder Bill Gates have all said that their children would not inherit most of the billions, or even millions, they made in their lifetimes.he rest of the multimillion-dollar family fortune is going to a foundation, which will eventually be administered by the children â and can be used only for philanthropy. The kids are aware of the trusts and the planning that went into them. âThey really are thrilled with it,â their father says.