Answer:
River basin is the area of land that is drained by a river system.
Explanation: River basin is also called drainage basin. River basin consist of one main big stream which collects water from many tributaries present on the left and right of the main stream. Water is collected from high ridge areas into these tributaries due to precipitation over there. These high areas is known as watershed. This main stream flows and drain into a river system.
Answer:
Hydrosphere and Biosphere
Explanation:
The biosphere, also known as the "ecosphere", is the worldwide sum of all ecosystems (this would represented by the fish).
The hydrosphere is the combined mass of water found on, under, and above the surface of a planet earth, minor planet or natural satellite (this would be represented by the water).
Answer:
They use equations to predict future weather.
They collect data from weather stations.
They draw weather maps. ✨
<span>In marine vertebrates, the gill arches use the external gas exchange. The water holds less oxygen.
The ribs in terrestrial vertebrates have enclosed respiratory surface which is inside the body and comes as paired lungs.
Kidneys are efficient in excretion of regulation of water and nitrogenous wastes. Their reproduction is normally sexual with separate sexes.</span>
