What are some ways in which europeans modified their landscapes

Which of the following guidelines should be followed if you have a large spill that is dangerous or beyond your ability to clean up? a) call emergency authorities b) try to keep it quiet so nobody panics c) if the material is flammable, get several buckets of water to dilute it with d) wipe up as much as you can with appropriate rags

Afull irb committee meeting is convened and one agenda item is a new research proposal to evaluate how mothers interact with their learning-disabled child. the inclusion criteria require the children to be a minimum of five years of age. the protocol requires the mother of the child to look at the child without any expression and not to talk to the child for three minutes. the committee determined that the mother's required task may upset the child. the irb approved the study with appropriate language in the parental permission form regarding the possibility that children might become upset. after the start of the study, the principal investigator reports to the irb that, as expected, one of the children became upset. the incident was handled according to the protocol and the child is fine. what should the irb do with regard to this report?

What is most likely impact of clearing natural landscape to construct high rise buildings