Sunspots are dark areas of irregular shape on the surface of the Sun. Their short-term and long-term cyclical nature has been established in the past century. Spots are often big enough to be seen with the naked eye.
nonchalance meaning, nonchalance definition | English Cobuild dictionary. nonchalant. If you describe someone as nonchalant, you mean that they appear not to worry or care about things and that they seem very calm. adj (=casual) Clark's mother is nonchalant about her role in her son's latest work..., It merely underlines our rather more nonchalant attitude to life. â¦ nonchalance n-uncount. Affecting nonchalance, I handed her two hundred dollar bills.
When you enter into a contract you are legally obligated to perform your contractual dutiesâthat is, do what you promised to do in the contract. Nonperformance is the failure to fulfill your obligations under a contract. However, you do not have to perform your promises under a contract until performance is due. For example, if you agree to pay the seller of equipment on delivery of the equipment, you do not have to pay the seller until the equipment is delivered.