Brainliest and 10 points!

which of the following farming methods the inca farm the hillsides?

answer choices:

a. slash-and-burn

b. crop rotation

c. irrigation canals

d. dam construction

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?

Which of the following are ways that people in democracies can take part in politics and gonverments

Rock concerts musical instruments cell phones and contact lenses are just a few things that are possible because of