What was the purpose of the National Advisory Committee for Aeronautics(NACA) during World War?

What's my name? if you know you know

Which sentence is punctuated correctly?  a.under a microscope; the organisms look a bit like ruffled tennis balls they have armored plates that fit together to make a round shape. b.when the water is disturbed; the organisms respond by glowing this makes swimmers look like floating beams of blue light. c.there is a bay in puerto rico that seems to light up at night; the light comes from tiny organisms in the water. d.the luminescence attracts visitors from around the world people are curious to see; this beautiful otherworldly sight.

The speaker is very animated, energetic, and incorporates a lot of humor into her presentation. this is an example of her: a. message b. context c. delivery d. channelthe speaker is very animated, energetic, and incorporates a lot of humor into her presentation. this is an example of her: a. message b. context c. delivery d. channel