When practicing an oral presentation, you want to make sure to do all of the following except speak with confidence. smile at your audience. read from your notes. speak slowly and clearly.

Which type of microscope would allow the viewer to see ribosomes inside a cell?

Aball tossed vertically upward from the ground next to a building passes the bottom of a window 1.8 s after being tossed and passes the top of the window 0.20 s later. the window is 2.0 m high from top to bottom. what was the ball's initial velocity? the unit vector j^ is directed upward. how far is the bottom of the window from the launch position? how high does the ball rise above the launch position?

Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine