Answer:
Strong linkages, called covalent bonds, hold together the hydrogen white and oxygen red atoms of individual H2O molecules. Covalent bonds occur when two atoms, in this case oxygen and hydrogen share electrons with each other
Explanation:
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.
Between the atmosphere and hydrosphere
From the above foods; oil, bread, steak, chicken, butter and pretzel, only 2 contain lots of carbohydrates. Colour the bread and the pretzel.
