Answer:
what is meant by I can't understand this
Answer:
check the sound of blood flow to see if it is abnormal then check the blood pressure - cva is a stroke
Explanation:
High-frequency sound waves have a shorter wavelength and a higher pitch than low-frequency sound waves.
Answer:
The difference is about the primary production and the oxygen concentration and so the pH of the water. ... In the aphotic zone, there is no light, so vegetal organism can't grow and realize the photosynthesis, the CO2 is accumulated, there is less Oxygen and the pH is lower than in the photic zone.
Explanation:
its on google
