Which of the following is a source of photochemical smog

fossil fuels
wind energy
biomass fuels
nuclear energy

Florian discovers a rock that is broken into pieces. each piece has several bands. which type of rock does florian predict these pieces will change into when subjected to heat and pressure? igneous magma metamorphic sedimentary

Time remaini 02: 50: 5 in the farewell speech, queen elizabeth's use of first-person point of view her to appear to be impartial and objective prevents her from addressing the audience directly allows her to share her personal thoughts and ideas, makes it seem as though she's observing from the outside, mack this and return save and evit

This is the main structural axis of the plant that supports leaves, flowers and fruits; transports fluids; stores nutrients and produces new tissue.