Which process is responsible for the energy emitted from the sun and all other stars?
A) nuclear fission
B) nuclear fusion
C) beta decay
D) gamma decay

Agas has a volume of 0.7 l at 300 mmhg. what would be the new volume at 900 mmhg

Which statement describes evidence of a chemical reaction? a) ice melting eliminate b) water boiling c) lighting a match d) grape juice freezing

Which ocean zone has the most abundant primary producer and why a) the abyssopelagic zone ,du to the absence of light and cold water temperatureb) the bathypelagic zone, due to the absence of light and cold water temperaturec) the mesopelagic zone ,due to uts high light availability and warm water temperature d) the epipelagic zone,due to its high light availability and warm water temperature