the first and second answers i hope this helps :3
A law in Chemistry ; the elements when arranged in the order of thier atomic numbers show periodic varation of the autmoic structure and of their most properties - Also know as the Mendeleev's Law
Answer:
Environmental cleanup includes removal of heavy metals and other toxic contaminants from the environment and the process is called remediation.
Explanation:
Information Technology CBSE Code 402 for class IX and X is based on National Skills Qualifications Framework. The book is designed and structured to help learner acquire the knowledge and skills regarding conputers, office productivity tools and internet necessary in real life competitive worlf