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Here, A is incorrect at its place. Preserving down the smartphone wonrsquo;t make sense, but powering down a smartphone makes sense. Hence, A-B can be exchanged. Also, C and D are incorrect at their places. They can also be exchanged to get a meaningful sentence. Powering down your smartphone at night wonrsquo;t help preserve the battery, since it's unlikely that you would be using the device at that time.
King of Pippin is the variety of ......
Which among the following can be classified as often cross pollinated species?
Kisan Credit Card scheme was launched in which year?
Which of the following is not the steps of teaching process?
Central Institute of Arid Horticulture was located at
What is Nano Urea primarily used for in agriculture?
Seeds are formed but the embryos develop without fertilization in
The tissue responsible for growth and repair in plants is:
Idea of hybrid maize was first conceived by E.M East and G.H Shull in 1910 by which technique among the inbred lines?
An acute or chronic inflammation of the mammary gland caused by physical, chemical and biological agents chiefly of bovines usually affecting the secret...