1.
ISO
What is the process by which a solid changes directly into a gas without becoming a liquid first called?
2.
ISO
What is the process by which water returns to the Earth's surface from the atmosphere in the form of rain, snow, or hail called?
3.
ISO
Which of the following is an example of a renewable natural resource?
4.
ISO
Which of the following is the densest layer of the Earth?
5.
ISO
Which of the following is the primary source of energy for all living organisms?
6.
ISO
What is the process by which an organism undergoes significant changes in form and structure as it develops into an adult called?
7.
ISO
What is the process by which an organism produces offspring that are similar to itself called?
8.
ISO
What is the process by which plants use sunlight to convert carbon dioxide and water into glucose and oxygen?
9.
ISO
Which of the following is the main function of the respiratory system in the human body?
10.
ISO
Which of the following is the largest planet in our solar system?