Sedimentary rocks are__________?
Sedimentary rocks are__________?
A. Porous
B. Hard
C. Rough
D. Brittle
E. Volcanic
Sedimentary rocks are__________?
A. Porous
B. Hard
C. Rough
D. Brittle
E. Volcanic
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
A substance which increases the efficiency of a catalyst is termed as:
A. Promoter
B. Activator
C. Retarder
D. Super catalyst
A. Edward Jenner
B. Joseph Lister
C. Henry William
D. John Sleeman
A. 1
B. 2
C. 3
D. None of these
A. tuberculosis
B. Emphysema
C. Asthma
D. Cancer