The Red Sea, which separates Africa from the Arabian Peninsula, is just 355 kilometers (220 miles) wide at its broadest point. What separates Africa from Arabia? The Red Sea rifting began in the Eocene, but the separation of Africa and Arabia occurred approximately 25 million years ago in the Oligocene, and since then the Arabian … Read more
School rules are important to maintain discipline. School rules play important role in ensuring that the students know how to behave and the consequences of misbehaving. If students are aware of the school rules, they will know how to behave and carry themselves so as not to become a disgrace to their school. Why are … Read more
By introducing a quotation or paraphrase with a signal phrase, you provide an effective transition between your own ideas and the evidence used to explore your ideas. One of the best ways to let readers know more about your source is to use a signal phrase. Do summaries need a signal phrase? Signal phrases are … Read more
What results are expected when a bromine solution is added to an alkene? Bromine water is an orange solution of bromine. It becomes colourless when it is shaken with an alkene. This has the effect of ‘saturating’ the molecule, and will turn an alkene into an alkane. Do alkenes react quickly with bromine? Alkenes react … Read more
Gray wolves once existed throughout Idaho; however, persecution and, eventually, poisoning began shortly after European settlement. Wolves were reintroduced to central Idaho in 1995 and 1996 in an effort to facilitate recovery of the gray wolf in the Northern Rockies states. Where do wolves live in Idaho? Wolf populations have spread throughout the state of … Read more
