The energy security act of 2007 mandate that cars to become more energy-efficient by the year 2020 true or false

As , plants meet their needs for making food from air, soil, water, and the sun's energy in a process called there are plants called grow high in trees without here are words to put in the blanks. 1.) producers 2.) consumers 3.) chloroplasts 4.) epiphytes

Phase changes are chemical changes. true or false

Looking at this barometer, is the air pressure high or low? what type of weather would you expect? high, bad low, bad high, good low, good