Whats the Location and the Structure for prestsynaptic membrane

The presynaptic membrane is formed by the part of the presynaptic axon terminal forming the synapse and that of the postsynaptic neuron is called the postsynaptic membrane. The space between the presynaptic and postsynaptic membrane is called the synaptic cleft. These three structures together form the synapse.

Explanation:

chemical weathering

explanation:

as resources become scarce because of population growth, the growth decreases after few years due to lack of resources and food.