ANSWER: Interests
EXPLANATION: Money in savings account can grow in mainly by interests. Banks and financial institutions provide interests for the money we keep. These interest rates differ according to the different plans and tenures of how many days or months the money is been kept in the account.
Religion is a belief in a God who you would worship of it as the creator of the universe without questioning. And philosophy is a pursuit of wisdom by intellectual search and logical reasoning.
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Hormones: they are the chemicals of the endocrine system used to send messages to organs and tissue throughout the body
neurotransmitters: a chemical substance released at the end of a nerve fiber at the arrival of a nerve impulse, by diffusing across the synapse, which then causes the transfer of the impulse to another nerve fiber, etc.
Hormones and neurotransmitters are equally both similar and different in many ways. A characteristic that they both share, is that they are both forms of sending messages into the body. The only difference being, a neurotransmitter is sends signals to balance target cells, aka muscles or glands. Hormones send messages and signals throughout the body and organs.
By adding taxes on the goods being carried by traders. Kingdoms would often thrive on taxes. Taxes would often come in form of goods or weapons. In most cases, food always used to pay for the services. This is because of the growing agricultural sector of many civilizations