Which part of a flower contains the ovary?

Of the pollutants that form acids in the atmosphere, which is easiest to reduce? a. sulfur dioxide b. nitrogen dioxide c. ozone d. carbon monoxide

At which point is crust neither created nor destroyed? island chain mid-ocean ridge divergent boundary transform boundary

Which of these is one of the nitrogenous bases in dna? a. proline b. leucine c. glycine d. thymine