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The learning process during the Covid-19 pandemic has made some changes. Learning that was previously face-to-face has changed to online learning. Teachers are required to be able to plan online learning, including mathematics teachers. The questioning activity which is the main activity in learning mathematics must still be carried out by a mathematics teacher. Through questions the teacher can stimulate the curiosity of students and evaluate their level of understanding of the material that has been taught. Asking using technology in online learning certainly has advantages and disadvantages. The teacher must determine the right strategy for asking questions so that the questions can be in accordance with the purpose of creating these questions. However, the conditions of online learning certainly make the teacher a dilemma of having to ask good/ideal or effective questions. There are many types of questions a math teacher can ask. Each type of question certainly has its own purpose in learning. Teachers also have reasons in choosing strategies and types of questions to be asked in online learning.
Report and recommendations on resources conservation policy with respect to energy in the UK - covers economies in use of petrol in transport, electricity generation, efficiency in home and industrial heating and ventilation, the re-use of waste materials, the substitution of hydrogen for natural gas, etc. Graphs and statistical tables.