The answer to blank space is "<span>accumulation".
Psychology is the exploration of behavior and psyche, grasping all parts of cognizant and oblivious experience and also thought. It is a scholastic discipline and a sociology which tries to comprehend people and groups by setting up general standards and investigating particular cases.
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This battle was the costliest battle
Answer: option d
Explanation:they are also normally called noradrenaline.
They do help by constant regulating of the blood pressure and to increase the sugar (glucose) level content in the blood. It help majorly to lift up (increase) the rate as well as the force of the contraction of the heart and also in do lead to an increase in muscle contraction due to the fact that they are push out(realeased) from the sympathetic nerve fibre ends.
Answer: the Sahara along Ibn Battuta's route.
