Answer:
umm I can't understand this I'm very very sorry but please put me on the brainliest
part 1: inconsistent
part 2: not uniformly available
hope this helps.
Answer:
A postsynaptic potential is defined as excitatory if it makes it easier for the neuron to fire an action potential. ... A postsynaptic potential is considered inhibitory when the resulting change in membrane voltage makes it more difficult for the cell to fire an action potential, lowering the firing rate of the neuron.
Answer:
Convection currents transfer heat from one place to another by mass motion of a fluid such as water, air or molten rock.
Explanation:
B. some substances must be dissolved in water before they can be used