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The statement tells us that NASA can now produce breathable oxygen on Mars performing electrolysis on carbon dioxide, which makes up 95% of Mars’ atmosphere. It does not tell us what gases make up the remaining 5%. Therefore, we cannot conclude that there is no natural oxygen on Mars. I does not follow. Oxygen alone cannot ensure that living beings will be able to survive and thrive on Mars. There are multiple other conditions that need to be fulfilled. II does not follow. Thus, (d) is the right answer.
Which organ in the human body is primarily responsible for filtering blood?
Ohm’s law obeyed in -
Which of the following transitions in hydrogen atom will result in emission of radiation of longest wavelength?
When carbon dioxide gas is passed through lime water, a white precipitate is formed, which dissolves on
passing excess of carbon dioxide. The...
The Aedes Aegypti mosquito can NOT act as a vector for -
Which of the following pair is correct?
I. Opaque – do not allow light to pass through them
II. Translucent – allow light to pass...
Two waves, each of amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/s. The distance in mm between adjace...
The position, relative size and nature of the image formed by a concave lens for an object placed at infinity are respectively
Deficiency of _________ causes the leaves to develop a dark green colouration.
An object of mass 2 kg is lifted vertically through a distance of 1.5 m. The work done in process is