Answer:
<em>The world is developing because of new technology and advance gadgets to use. .The overuse of devices or children addicted to technology/gadgets like tablets, laptops, computers, smartphones, video games, etc. may reduce student's self-motivation, ability, and interest in learning.</em>
The largest desert in the world is technically in Antarctica; so this would be a correct answer. If you're looking for a more "typical" deserts, you could go with Africa, with its Sahara and numerous other deserts too.