State five importance of bacteria to the environment

1. Bacteria are also very important to some industries such as the production of cheese, yogurt, buttermilk, vinegar, and sauerkraut.

2. They are used in the preparation of antibiotics such as Streptomycin.

3. They are used in the tanning of leather and hides

4. They are used in the curing of tobacco (not a good thing, but notable at least�)

5. Methane-producing bacteria are used in sewage treatment plants to convert the sludge into methane gas.

when a device is used in a circuit in which the voltage is 81 v, the current flowing through the device is 3 a. what is the resistance of the device?

a. 27 ω

b. 40.5 a

c. 243 ω

d. 243 a

the correct answer is a. 27