Which one of the following non-metals is not a poor conductor of electricity?
Which one of the following non-metals is not a poor conductor of electricity?A. Sulphur
B. Selenium
C. Bromine
D. Phosphorus
B. Selenium
C. Bromine
D. Phosphorus
The study of cancer is called_____________?
A. Zoology
B. Ecology
C. Genomic
D. Oncology
		A. Two
B. One
C. Four
D. Three
The rocks formed out of layers of sediment bonded together are known as _______________?
		A. Metamorphic rocks
B. Sedimentary rocks
C. Igneous rocks
D. All of the above
Long-sight defect could be corrected by using __________ lens?
		A. concave
B. Convex
C. diverging
D. none of these
ALSO CHECK: Short-sight defect could be corrected by a _____________ lens?