Harry is a 6 year old is his selective attention improved? Group of answer choices No, it has not. No, his selective attention improves at age 4. Yes, it has. No, it does not improve until 7 years of age.

Which of the following starements is true based on the above information?

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 the main subject of this map? a. world war i in europe b. nazi aggression in europe c. world war ii in europe d. europe during the cold war