1.
[ISO]
What is the process by which a solid changes directly into a gas called?
2.
[ISO]
Which of the following is a renewable energy source?
3.
[ISO]
What is the chemical symbol for gold?
4.
[ISO]
What is the SI unit of electric current?
5.
[ISO]
Which planet is known as the "Red Planet"?
6.
[ISO]
What is the largest organ in the human body?
7.
[ISO]
Which organelle is responsible for photosynthesis in plant cells?
8.
[ISO]
Which of the following is not a function of the human respiratory system?
9.
[ISO]
Which type of rock is formed from the cooling and solidification of magma or lava?
10.
[ISO]
What is the chemical formula for water?