Download App

Natural Resources — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceNatural Resources2 Marks
Question
What is greenhouse effect?
✓

Answer

Greenhouse effect is a phenomenon that heats the earth’s surface. The greenhouse gases prevent infrared dilations from escaping the earth which results in heating of the earth’s surface.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Que-Ans (Each of 2 Mark )" from Natural Resources→Natural Resources — all question types→Science STD 9 question papers→Gujarat Board STD 9 question papers→Gujarat Board question paper generator→

Similar questions

Give the scientific name of the following:
  1. Earthworm.
  2. Leech.
→
Explain why, a small volume of water in a kettle can fill a kitchen with steam.
→
Why is scientific name latinised?
→
A girl weighing $25\ kg$ stands on the floor. She exerts a downward force of $250N$ on the floor. What force does the floor exert on her$?$
→
A solution contains $5.6\ ml$ of alcohol mixed with $75\ ml$ of water. Calculate the concentration of this solution.
→
Name an Indian and a foreign breed of poultry.
→
Name the protein is found in white fibre and yellow fibre.
→
Explain why, steam at $100^\circ C$ is better for heating purposes than boiling water at$ 100^\circ C.$
→
State the major practice one should adopt in order to reduce vector-borne microbes.
→
The power output of an engine is $3\ kW.$ How much work does the engine do in $20s?$
→