The study of X-rays and their medical applications is called _________ ?

The place of origin of an earthquake is called___________?

A. Seismic focus
B. Seismal
B. Epicenter
D. Amphidromic Point

Amazon rain-forest spans over how many countries?

A. 5
B. 7
C. 9
D. none

The Amazon rainforest spreads across nine countries namely Brazil, Ecuador, Venezuela, Suriname, Peru, Colombia, Bolivia, Guyana, and French Guiana. The majority of the forest is contained within Brazil, with 60% of the rainforest, followed by Peru with 13%, Colombia with 10%, and with minor amounts in Venezuela, Ecuador, Bolivia, Guyana, Suriname and French Guiana. Amazon Rainforest total Area is 5.5 million km².

Bagram is an airbase of USA situated in__________?

A. Afghanistan
B. Pakistan
C. Somalia
D. Kazakhstan

Duncan Strait is situated in which Ocean ?A. Pacific Ocean
B. Indian Ocean
C. Arctic Ocean
D. Atlantic Ocean

Duncan Passage is a strait in the Indian Ocean. It is about 48 km (30 mi) wide; it separates Rutland Island (part of Great Andaman) to the north, and Little Andaman to the south. West of Duncan Passage is the Bay of Bengal; east is the Andaman Sea.