Why is it important to keep every variable (constants) the same, or controlled except
the variable being tested.
It is important to keep all variables the same
except the one being tested, so you know if the
tested variable is responsible for the effect.
It isn't important to keep variables the same.

How many moles are in 7.2 x 10^23 carbon molecules? (*round to the nearest hundredth and include the unit "mol c" after your number) question 6 options:

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 missing component to the table to the right or indicated with orange letters complete the table by filling in the corresponding numbers or symbols