The cytoplasm of animal cells has a concentration of potassium ions (k+) as much as 20 times higher than the concentration outside the cell. how do cells move potassium ions against a concentration gradient, from a lower concentration to a higher one? a. facilitated diffusion b. active transport c. osmosis d. diffusion

Ateam from new york presbyterian hospital is conducting a study about a recent increase in cases involving both excess sweating and kidney stones. what would the team need before it draws a conclusion about the cases? medications that are specifically designed to treat the sickness machines that are built to process blood and reduce symptoms until patients are healthy again data that profile the various patients who report these symptoms proof that the excess sweating is related to the excessive kidney stones

Plz quick a natural resource that is replaceable through a cycle in nature or sustainable practice is called a? the subject is science

How to farmers could ensure that they only grow white flowers