Why does the increased level of nutrients in the water affect the survival of aquatic organisms?

How does the increase and the decrease in the value of 'r' affect the population size?

Does cooking affect the nutrients in the body?

Why does a block of plastic immersed under water come to the surface of water ?

The graph given alongside represents the growth patterns of two types of aquatic organisms over a brief period of time in a water body surrounded by an agricultural land extensively suppied with fertilisers. Identify the organisms that would represent A and B

Why does the rate of a reaction increase with rise in temperature?