The dependant variable would be the salmon, because they depend on the water and pollution levels to give a result.
Answer: tissue
Explanation:
All living organisms are made up of one or more cells. For example, unicellular organisms, such as amoebas, are made up of only one cell. Multicellular organisms, such as human beings, are made up of many cells. And cells in complex multicellular organisms are organized into tissues, which refers to similar groups of cells that work together on a specific task.
Answer:
a substance that has a ph level less than 7
Explanation:
Flex to the moon and back
