Number 4, . the question is "a gas has a temperature of 14°c and a volume of 4.50l. if the temperature is raised to 298°c and the pressure is not changed, what is the new volume of the gas? "
but, what is the original pressure? ?

Evaluate this exponential expression,8. (2 + 3)2 – 42

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.

Which process transfers heat from inside earth to its surface? convection currents in mantle pulling away of tectonic plates drawing in of tectonic plates convection currents in crust