What's the purpose of income tax brackets? O A. To distribute social support to the needy
OB. To punish the use of income for harmful activities
O C. To maintain a minimum income level
O D. To enable the progressive taxation of income

1. what was william harvey's discovery about the human body? @ two types of blood flowed through the veins and arteries. b four fluids existed in the body: blood, yellow bile, black bile, and phlegm. © the same blood flowed through the veins and arteries. d ancient ideas of human anatomy and bodily functions were wrong. done