A) they keep the planet warm enough for living things to survive
B) energy flows through ecosystems in one direction only and is eventually dissipated as heat
C) they prevent catastrophic extinctions
D) nutrients and other life-sustaining molecules are in limited supply and must be continually recycled
When a number is increased by 38, it becomes 119% of itself. What is the number?
The idiomatic expression ‘see eye to eye’ means
Two cars, passing each other at high speed, are in danger of side swiping because
What are the Multiples of 18?
A pure substance can only be
Which of the following temples resembles chariot shape ?
A composite attribute is which of the following?
Nehru trophy is related to which game?
A student was asked to find the arithmetic mean of the numbers 3, 11, 7, 9, 15, 13, 8, 19, 17, 21, 14 and x. He found the mean to be 12. What should be the number in place of x ?
Which Country has listed Yoga as a “sports activities”?