Answer:
mutualism and parasitism
Examples:
mutualism: crocodiles and birds
parasitism: mosquitoes and humans
The water cycle is a parameter of the hydrosphere that always remains constant. Life on Earth and its sustenance is possible because of this cycle. The continuous evaporation, condensation, and precipitation of water provides for the many processes involved in Earth's natural surroundings. Without the water cycle, life would cease to exist.
I believe the correct term to fill in the blank would be pain. <span>Phantom limb sensations and other experiences of amputees show that the brain can produce pain in the absence of normal sensory input. Hope this answers the question. Have a nice day.</span>
Answer:
Pericardial sac has protective tole
Explanation:
Pericardial sac or pericardium is a fibrous tissue that surrounds the heart. It has two coats:
- the outter coat-parietal pericardium
- the inner coat-visceral pericardium or epicardium which is double-layered and contains pericardial fluid between those two layers (pericardial fluid is necessary as a lubricant for the heart movement).
Besides lubrication, percardium also protects heart from infections, fixes it and limits its movements.
Answer:
Explanation: step 1 Carbon enters the atmosphere as carbon dioxide from respiration (breathing) and combustion (burning). The Carbon Cycle Step 2 Carbon dioxide is absorbed.
