$540, you just multiply $50 x those 6 months =$300 then you multiply $40 x those other 6 months and u get $240 and then you add the 240 and the 300 and get 540
Answer: See explanation
Explanation:
Natural resources are the resources that occurs freely which include oil, minerals, water, land, animals, plants, coal etc. As human beings, we need natural resources for our daily survival, hence, it is vital that we conserve them to keep them for future generations and prevent destruction.
Some of the was to conserve natural resources include:
1. Using less water: Water should only be used when it's needed. This will help in preventing its wastage.
2. Using renewable energy such as solar energy or wind energy.
3. Recycling: This simply means reusing of the materials. This will help in avoiding wastage and prevent pollution.
4. Plant a tree
5. Educating people about the importance of conservation.
Hi!gobal warming is the long-tearm heating of Earth's climate system observed since the pre-industrial period(between 1850 and 1900)due to human activities.