List any three activities which would lead to an increase in the carbon dioxide content of air.

What are the natural activities which lead to pollution in air?

Which of the following would lead to increase urine production?

What has raised the percentage of carbon dioxide in exhaled air?

What has raised the percentage of carbon dioxide in exhaled air?

List any three important characteristics of a population and explain.

Answer the following question Write a note on the lab activity done in your school to prove that carbon dioxide is released during exhalation. (or) How can you prove that carbondioxide is released during respiration ?

When the weather is hot and the stomata close, what effect would this have on the absorption of carbon dioxide by the plant?

List out the activities that you performed at your home and which joints were involved in each activity?

Name any three viruses which have RNA as the genetic material .

Fill in the blanks: ……………….is the process in which plants use carbon dioxide present in the air.