Question No : 29
What is the term for the gradual increase in the Earth's average temperature due to human activities?
Question No : 30
Which of the following is a non-renewable resource derived from the remains of ancient marine organisms?
Question No : 31
What is the term for the process by which nitrogen gas is converted into a form that plants can use?
Question No : 32
What is the term for the variety of genetic traits within a population of a particular species?
Question No : 33
Which of the following is a primary greenhouse gas emitted from the use of fossil fuels in transportation and industry?
Question No : 34
What is the term for the process by which water droplets combine in clouds and form larger droplets that eventually fall as precipitation?
Question No : 35
Which of the following is a source of non-point source pollution in aquatic ecosystems?