How many pi bonds are formed when sp2 hybridization occurs in ethene, C2H4?

1

2

0

3

If a || b and e || f, what is the value of y ?

2. you__turn left on a red light if you are in the left-most lane of a one-way street, you're turning into the left-most lane of a one-way street, and no nearby sign prohibits the turn.

What are four significant sources of ghgs that come from wostem washington?