Question
Explain the relationship between CFC's and Ozone in the stratosphere.
✓
Answer
UV rays act on CFC's, release Cl atom, which act on ozone to release $O_2$, resulting in ozone layer depletion/causing ozone hole.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Rearrange the human activities mentioned below as per the order in which they developed after the modern Homo sapiens came into existence during ice age:
- Human settlement.
- Prehistoric cave art.
- Agriculture.
State true/ false with explanation:
- Abortions could happen spontaneously too.
- Complete lactation could help as a natural method of contraception.
What are the functions of placenta?
Name a free-living and a symbiotic bacterium that serve as bio-fertilizer.Why are they so called?
What is a promoter in a transcription unit? Where is it located in DNA with reference to the structural gene(s)?
If there are two pathogenic viruses, one with DNA and other with RNA, which would mutate faster? And Why?
Explain the zygote intra-fallopian transfer technique (ZIFT). How is intrauterine transfer technique (IUT) different from it?
The flower of brinjal is referred to as chasmogamous while that of beans is cleistogamous. How are they different from each other?
(i) Write what differences you see in the Darwin’s finches shown above.
(ii) How did Darwin explain the existence of different types of finches on galapagos?
Name the gases Miller used in his experiment on origin of life.