2select the correct sequence of steps for lighting a bunsen burner. a. apply the spark above the barrel of the bunsen burner. b. open the gas adjustment at the base of the bunsen burner. c. connect the burner hose to the gas outlet. d. open the gas valve on the gas outlet.

Explanation:

A bunsen burner is a small gas burner that is generally used in laboratories to carry out the experiments that need heating.

When we need to lighten a bunsen burner then first of all, we should connect the burner hose to the gas outlet.

After that, open the gas valve on the gas outlet. Then, we need to open the gas adjustment at the base of the bunsen burner. And then, apply the spark above the barrel of the bunsen burner.

Thus, we can conclude that the correct sequence of steps for lighting a bunsen burner are as follows.

c. connect the burner hose to the gas outlet.

d. open the gas valve on the gas outlet.

b. open the gas adjustment at the base of the bunsen burner.

a. apply the spark above the barrel of the bunsen burner.

i think the answer is terrae but not 100 percent sure. ▓▬▬ §