Answer:
when you put chemicals in water and the water gets chemically changed?
Answer: The arteries (the aorta)
The answer is external stimulus
The answer is C. These structures are vacuoles and are found in plants cell (you can tell it’s a plant cell because of the outer cell wall in the picture). Vacuoles have a variety of other functions storage of waste products, maintain turgor pressure for plants support.
D phytoplankton i believe
