Answer:
Explanation:
in gaseous phase the molecule of gas are far away from one another
the attractive forces among gas molecules are very weak
the gas molecule occupy the shape of the container in which they are confined
in gaseous phase the molecules are in continous collision with each other and with the walls of container
Sickle cell anemia is caused by a single letter mutation so transcription will lead to synthesis of a different <u><em>mRNA</em></u> molecule . The different mRNA molecule will lead to a different <em><u>protein</u></em> where a single amio acid is different(there is valine instead of glutamic acid)
Tropopause is the boundary between the troposphere and stratosphere.
Explanation:
- Tropopause marks the transition region between troposphere and stratosphere.
- As we move up from the Earths surface , the temperature gets colder but when we reach the tropopause the temperature becomes constant and the temperature does not fall further.
- It is at a height of about 9Km at the polar region while at a height of 17 Km at the equitorial region.
Answer:
Fossils closer to the surface are younger
Explanation:
