Q: Eight of the hottest years on record have occurred since what year? Choices: - 2002 - 1997 - 1991 - 1998 A:
1998

(Question)
Q: The most common substance on earth, water, is primarily present in what state? Choices: - gas - solid - freshwater - liquid A:
(Answer)
liquid

Ques: Q: What term is used to describe viruses that live in a dormant state inside the body? Choices: - potential - hidden - dorment - latency A:
Ans: latency

(Q).
Q: The first living cells may have evolved around how long ago? Choices: - 900,000 years - 6 billion years - 2.2 billion years - 4 billion years A:
(A).
4 billion years

Ques:Q: Earth acts like a giant version of what device, with angular momentum along its axis and pointing at polaris, the north star? Choices: - compass - telescope - accelerator - gyroscope A:

Ans:gyroscope

Q: What structure does methane have? Choices: - two dimensional oxyhedra - two dimensional tetrahedra - three dimensional oxyhedra - three dimensional tetrahedra A:
three dimensional tetrahedra