Rising temperatures intensify atmospheric evaporation and moisture retention, producing severe droughts in arid regions while triggering erratic, intense cloudbursts, severe flash floods and rapid glacial melt that destabilizes river flows. Chapter 13 Earth as a System: Energy, Matter and Life Solutions Class ...
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The correct option is (iii). Solar radiation penetrates the atmosphere and heats the ground, which then emits infrared radiation that is trapped by atmospheric greenhouse gases, sustaining global surface temperatures. CBSE Class 9 Science Chapter 13 Earth as a System: Energy, ...
The correct option is (ii). Biogeochemical cycles continuously circulate and replenish essential elements like carbon, nitrogen and oxygen between living organisms and physical environments, maintaining ecosystem balance and life sustainability. Class 9 Science Chapter 13 Earth as a System: Energy, Matter ...
It should be placed under Kingdom Fungi if it possesses a chitinous cell wall and absorptive nutrition, whereas absence of a cell wall and ingestive heterotrophy characterize Animalia. Class 9 Science Exploration Chapter 12 Important Questions SQP from Class 9 Science Chapter ...
Aquatic organisms R (unicellular protist) and S (vertebrate animal) would be grouped together. Habitat-based grouping obscures true cellular structures, evolutionary ancestries, physiological mechanisms and fundamental genetic relationships. Class 9 Science Exploration Chapter 12 Important Questions SQP from Class 9 Science Chapter 12 ...