Questions

Due to incresed weapon launching missions of North Korea, which country has launched a spy satellite to monitor it?

In Computers, what does ALU stand for?

The focal length of a concave mirror with a radius of curvature of 20.0 cm is :

Which of the following is a renewable source of energy?

To which habitat is the turtle Petri adapted?

Methane an air pollutant is produced ______.

A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the sentence. Choose the correct alternative and click the button corresponding to it. In case no improvement is needed, click the button corresponding to "No improvement".

If the room had been brighter, I would have been able to read for a while before bed time.

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.
Corruption is a standing hindrance _____ the nation's development.