Answer:
It maintains the shape of the cell
It helps in cell movement
It helps in material exchange
Explanation:
Answer:
True
Explanation:
Sewage contains many substances in it like suspended solids, organic and inorganic impurities, nutrients, saprotrophic and disease causing bacteria and other microbes. Hence it is said to be a complex mixture.
Answer:
higher altitudes have a lower level of oxygen which in turn, trains your lungs to hold and breathe more oxygen which also helps you cycle, run, etc. longer than usual
Explanation:
23 from mom,
23 from dad,
all together 46! :3
Answer:
Because this person exists
Explanation: