True or False: A substance is found to be made up of more than one atom, but the atoms are all the
same. This substance is most likely an element.
M
TRUE
FALSE
A
B

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

The identities of substances are the same before and after which type of change

State one important difference between a physical change and a chemical change?