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spec: Estimates suggest that up to 90 million hectares of land in Australia have the potential to be affected by acidity ( ie , have a pH of less than 6 ) . There are several kinds of support groups to meet individual needs . Servers SHOULD keep enough information about the attributes in the deleted entries to determine if an entry should be removed from the result set . Some recommended that the waiting time be 12 months or longer , particularly because 12 months rather than 6 months is currently the prevailing model among journals that already provide free , delayed , full-text access . Middle East and North Africa experienced a dramatic decline in overall economic conditions over the past two years with GDP growth falling from more than 6 per cent in 2000 to 1.5 per cent in 2001 . The requirements for a minor in Spanish are as follows : Completion of at least 18 semester hours , of which no more than 6 may be lower division . These fruiting bodies produce ascospores in early March that are shot a short distance ( less than 6 " ) from the fruiting body during spring rains . They propose that once a vaccine is developed , philanthropic foundations or the government might play a role in its distribution to people in poverty-stricken nations . Most of the attendees agreed that the primary interest of the conference was in cells that could repair damaged lung even if they did not meet the most rigorous definition of a stem or progenitor cell .