The wheel was used for pottery
At their beginning, the Arabs were an incredibly weak and loose collection of cities that could have easily been destroyed by Rome, yet the long peace with Rome led to prosperity, therefore B is the answer.
Progressive Tax Structure
In this system, taxpayers making more money pay higher tax rates than those making less money (your example) .
The US uses this system.
<span>There is an organ in the brain sensitive to light changes, which then affects our sleepiness.
This sensitivity to light changes will determine our response to melatonin that influences our level of 'tiredness'.
The more melatonin that we have in our body, the more likely we feel sleepy and fall asleep.</span>
Answer:
So you can make better decisions and learn what works and what doesn't. Learning about the past can help apply it to the future
Explanation:
