They can stretch because there is one fluid present between ligament called synovial fluid!
Answer:
according to this law ,during the transfer of organic food energy from one trophic level to the next higherlevel, only about ten percent of the transfeered energy is stored as flesh
Explanation:
it may help u
Answer:
True,Every chemical reaction obeys the law of conservation of mass.
Answer:
The salt in the oceans comes from weathering and the erosion of the earth's crust.
Explanation:
The weathering can be described as the breaking down of rocks.
During the weathering of rocks, minerals will be dissolved from the land and salt is one of them. These minerals (salt included) will then be delivered into the oceans by erosion of the Earth's crust.
Erosion can be aided by wind, ice or water. Erosion removed weathered materials. When these weathered materials are removed, new materials (rocks) will be exposed to weathering thereby promoting continuous weathering processes
