What is the slogan of Earth Day 2020?
As climate change and pollution are increasing natural resources are destroying. Therefore, it is necessary to prevent the loss of biodiversity and preserving nature for the future. The theme of World Environment Day 2020 is “Biodiversity”.
What is Earth Day English?
Earth Day is an annual event celebrated around the world on April 22 to demonstrate support for environmental protection. First celebrated in 1970, it now includes events coordinated globally by the Earth Day Network in more than 193 countries.
Why should we save water class 6?
Answer: We should conserve water because only 1% of the earth’s surface is drinking covered with pure water which is fresh and suitable for drinking for all forms of life.
How can we save water class 6?
(1) Turn off the tap immediately after use. Get the leaking taps repaired immediately. (2) Take bath by filling water in a bucket and not directly under the flowing tap. (3) Wash the utensils by filling water in basin and not under the running tap.
What are the two main techniques of rainwater harvesting class 6?
Broadly there are two ways of harvesting rainwater, namely; surface runoff harvesting and rooftop rainwater harvesting. Rainwater harvesting is the collection and storage of rain for reuse on-site, rather than allowing it to run off. The stored water is used for various purposes, such as gardening, irrigation, etc.
What is the basic idea behind rainwater harvesting class 6?
The basic idea behind rainwater harvesting is to catch water where it falls on the Earth”s surface.
What is the main purpose of rainwater harvesting class 6?
The main purpose of the rainwater harvesting is to use the locally available rainwater to meet water requirements throughout the year without the need of huge capital expenditure. This would facilitate the availability of uncontaminated water for domestic, industrial, and irrigation needs.
What is water cycle for Class 7?
The water cycle, also known as the hydrologic cycle, is the continuous movement of water from the earth’s surface to the atmosphere and then back to the ground. It is a continuous process. Water goes through all the three states, solid-liquid-gas, in the process.
What is water cycle in points?
The water cycle shows the continuous movement of water within the Earth and atmosphere. It is a complex system that includes many different processes. Liquid water evaporates into water vapor, condenses to form clouds, and precipitates back to earth in the form of rain and snow.
What is the rain cycle?
The water cycle describes how water evaporates from the surface of the earth, rises into the atmosphere, cools and condenses into rain or snow in clouds, and falls again to the surface as precipitation. …