B.
f. skinner used a chamber equipped with a device that delivers food or water when an animal makes a desired response. this device is called a(n):

The correct answer is - operant conditioning chamber.

Explanation:

B. F. skinner a behaviorist who developed the operant conditioning theory which states that behavior is determined by the consequences of the behavior, it may be punishements or reinforcements that decide more or less likely that it will repeat again.  

An operant conditioning chamber or skinner box is an enclosed equipment that has a bar that an animal can manipulate so it can get food or water as a reinforcement.

Thus, the correct answer is - operant conditioning chamber.

the overall balanced equation

6co2 + 6h2o > c6h12o6 + 6o2

sunlight energy

where: co2 = carbon dioxide

h2o = water

light energy is required

c6h12o6 = glucose

o2 = oxygen