Microscope is one of the invention for scientist to practice direct observation. It allows scientists to observe the world in micro scale.
"an advantage of gas exchange in fresh water, compared with gas exchange in air, is that water loss through evaporation across the respiratory surface can be minimized." The primary function of the lungs involving the transfer of oxygen from inhaled air into the blood and the transfer of carbon dioxide from the blood into the exhaled air.
The Answer is 10
As little as 10 percent of the energy at any trophic level is transferred to the next level; the rest is lost largely through metabolic processes as heat
Answer:
The water cycle consists of three major processes: evaporation, condensation, and precipitation. Evaporation is the process of a liquid's surface changing to a gas. In the water cycle, liquid water in the ocean, lakes, or rivers) evaporates and becomes water vapor.
Explanation: