In an experiment, a petri dish with a colony of bacteria is exposed to cold temperatures and then warmed again.

time (hours) 0 1 2 3 4 5 6
population (1000s) 5.1 3.03 1.72 1.17 1.38 2.35 4.08

a. find a quadratic model for the data in the table. type your answer below.

b. use the model to estimate the population of bacteria at 9 hours. type your answer below.

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

Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate

What is a number added in front of a formula in order to balance the equation