Every evening, ramin must knock on his front door three times before going to bed. he discovered that this was an effective way to ward off robbers. his knocking on the door is an example of

Mr. mann's science students were experimenting with speed. they set up a 1 meter (100 cm) track. the students used balls instead of cars. the balls were different sizes and made of different materials. four at a time, students rolled balls around the track to see which had the fastest and slowest speeds. some of their data are shown in the table. which ball will take the longest to complete one lap around the track?

What is gender and race intersection?

Which statement about mound builder works is true? earthen mounds were created for children to play on. bowls shaped like animals were made of stone. portraits were made of solid gold and painted with bright colors