If sodium ions are outside of a cell, they will tend to move into the cell based on both their concentration gradient and the voltage across the membrane (the more negative charge on the inside of the membrane). So cells pump out the extra ions.
This is what my candidate teacher said..
Answer:
Avoid technical jargon as much as possible and use interesting metaphors or stories
Answer:
When deforestation occurs, precious rain is lost from the area
Explanation:
Trees improve water quality by slowing rain as it falls to the Earth, and helping it soak into the soil. Trees then serve as natural sponges, collecting and filtering rainfall and releasing it slowly into streams and rivers. Tress are the most effective land cover for maintenance of water quality
Bacteria is used to produce human insulin
