Polar stratospheric clouds<span>. </span>Polar stratospheric clouds<span> (PSCs) play a central role in the formation of the </span>ozone<span> hole in the Antarctic and Arctic. ... These reactions lead to the production of free radicals of chlorine in the </span>stratosphere<span> which directly destroy</span>ozone<span> molecules.</span>
The 2nd one. as it is the only way be that makes sense.
Answer:
These 9 technological innovations shape the sustainability agenda
Public electric transport.
Electric trucks.
Cheap energy storage.
Long-term storage.
Plastic recycling.
LED light efficiency.
Accessible solar power.
Carbon capture and storage.
Explanation: