Explain how to use informal assessment to effectively prepare for an examination ​

Self-questionnaire or checklist.

Explanation:

Self-questionnaire and tests made by the teacher are the informal assessment to effectively prepare for an examination. With this method, the students are able to know their current status of knowledge and preparation for the exams. With this assessment the students prepare their syllabus and work accordingly to complete their preparations for exams so self-questionnaire and tests made by the teacher are the efficient methods to prepare for the examination.

two jet streams that directly affect the formation of weather in the continental part are a polar jet and a subtropical jet. they are responsible for the transportation of weather systems, which directly affect people. the polar front is the boundary between cold air from the north pole and warmer equatorial air. both the polar jet and the subtropical jet blow from the west to the east, and follow the boundary between cold and warm air.

the strongest jet streams are polar jets, while subtropical jets are somewhat weaker.

the right answer is c. the polar jet stream is generaly stronger than the subtropical jet stream.

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