True or false. the proton-proton chain accounts for only about 1% of the total energy produced
in the sun.

The middle east links which two continents? ●asia and europe●europ and africa●africa and asia●africa and australia

Which phrase describes the time it takes for a planet to make a complete rotation

If a volcano’s magma is high in silica, the volcano will probably a. erupt quietly. b. remain dormant. c. erupt explosively. d. produce dark-colored lava.