Which hypothesis is testable? Plants that are grown by using brand A fertilizer taste best.
Plants that have flowers look prettier than plants that do not have flowers.
Plants will eventually die off if global warming trends continue.
Plants make more sugar on sunny days than on cloudy days.

During which phase does earth see more than half of the moon's surface? 1)first quarter2)third quarter3)waxing gibbous4)waning crescent

Contrast how pollination is different among gymnosperms and angiosperms.

Why is earth's outer core hotter than earth’s oceanic crust? earth’s oceanic crust is denser than earth’s outer core is. earth’s oceanic crust has lava flowing from the mantle. earth’s outer core has a composition of solid iron and nickel. earth’s outer core is deeper within earth than oceanic crust is.