Question

B. Distinguish between the following.
1. An ocean and a sea
2. A river and a lake
3. Perennial and seasonal rivers​

Answer 1

Explanation:

1)In terms of geography, seas are smaller than oceans and are usually located where the land and ocean meet. Typically, seas are partially enclosed by land. Seas are found on the margins of the ocean and are partially enclosed by land. ... Seas are smaller than oceans and are usually located where the land and ocean meet.

2)The main difference that can be seen between rivers and lakes, is water movement. If you observe a river, it basically moves or runs along its banks. ... Lakes are usually enclosed by land. Unlike ponds, these bodies of water have to be of a significant size for it to be considered as a lake.

3)Perennial rivers are the one which flow throughout the year. They are also called evergreen or ever flowing rivers. ... In contrast the seasons rivers include the Godavari River, Mahanadi, Kaveri , etc. These are rivers which are seasonal in nature i.e they are lively when water of the monsoon fills them.

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Answer 2

Answer:

• sea is smaller than ocean
• the salinity in ocean water is more than sea water
• any body can float on ocean water
• water on river flow continuously but in lake it remains still
• water in perennial rivers remains all the year but in seasonal rivers water remains seasonally.