What is the name given to a deceptive and illusive imageformed
on smooth and shiny roads on very sunny days as a result
ofreflection and refraction of light?
it appears like a pool of water on the road from afar
butvanishes as one approaches. i've forgotten what its
called.

colorectal cancer may also develop from areas of abnormal cells in the lining of the colon or rectum. this area of abnormal cells is called dysplasia and is more commonly seen in people with certain inflammatory diseases of the bowel such as crohn's disease or ulcerative colitis.

f=ma newton's second law 7x8=56n

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