Tragedy of pesticide poisoning can get transferred to the next generation due to genetic change. With reference to the above statement explain how the use of organic farming can ensure sustainable development.

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

If scientists are wrong about earth's age based on radioactive material and the decay rates are really much faster, how would nuclear power plants be affected?

All but one describes an effect of aging on the digestive system. a) decreased acid secretion b) decreased elasticity of stomach c) capacity to resist damage decreases d) food remains in stomach for less time