Tell us the normal boiling point of water?
Approximately how many minutes does it take sunlight to reach Earth?
What acid is found in lemon?
What is the source of energy for producers?
When a plant performs the process of photosynthesis, what is produced?
Which of the following will not dissolve in water?
When we go up in the sky. The atmospheric pressure will
Air and water are found on which planet?
How many days those Moon take to orbit the Earth?
Which object in space produces its own light?