Answer:
They developed Trigonometry, used mathematical models to track down the planet Jupiter and developed methods of tracking time that are still used today.
Answer:
difference threshold
Explanation:
Darrius is trying to play a trick on his housemate. He wants to add more weight to her backpack before she leaves for school, but he doesn't want her to notice it. He should determine the difference threshold so that he doesn't add enough for her to notice the additional weight.
It is important to let others know about your accomplishments, however, you do not want to be looking for a reward in it. Also you don't want to seem like you want to be better than everyone else. Even if you are :) So agree!
Answer:
yes. yes they are delicious U-U
Explanation:
B. the North and South. black people started moving from the rural south to the industrialnirth
