Explanation:
Given the importance of oxygen for animals, researchers suspected that a sudden increase in the gas to near-modern levels in the ocean could have spurred the Cambrian explosion. ... This supported the idea of oxygen as a key trigger for the evolutionary explosion.
Answer:
Carbohydrates contain only carbon, hydrogen and oxygen atoms; prior to any oxidation or reduction, most have the empirical formula Cm(H2O)n. Compounds obtained from carbohydrates by substitution, etc., are known as carbohydrate derivatives and may contain other elements.
Explanation:
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.
Answer:
More job opportunities and a chance to expand knowledge and experience with work
