As part of a Physics investigation, a student launches a bean bag out of an open window with a velocity 4.5 m/s at an angle of 25° above the horizontal. If the winds is 12 m above the ground, how far away from the building must the student’s friend stand to catch the bean bag at ground level?

No it doesn’t cause fewer germs to grow. it fits because it can be tested and experimented on, you can revive different results depending on your environment and what you did prior to laying on your pillow. There are many factors that can play a role.