three balls of equal mass are fired simultaneously with equal speeds from the same height h above the ground. ball 1 is fired straight up, ball 2 is fired straight down, and ball 3 is fired horizontally.

Darwin studied two different types of tortoises on the galapagos islands. sort the characteristics based on which tortoise they describe.

What principle of light’s behavior can be used to make a far away object appear closer and also make a small object appear larger? a. reception b. absorption c. refraction d. transmission

Asociologist chose 300 students at random from each of two schools and asked each student how many siblings he or she has . the result are shown in the table below. there are a total of 2,400 students at lincoln school and 3,300 students at washington school .what is the median number of siblings for all the students surveyed ? a)0b)1c)2d)3