What is a jet stream. in your own words but be more detailed about what you say. (don't send a link or file)

How is 0.00235 expressed in proper scientific notation? a. 2.35 × 10-3 b. 0.235 × 10-2 c. 2.35 d. 2.35 × 103

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out

Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.