Science Book, std- 7th

1. Click on this link to download 1st chapter of science book

    https://drive.google.com/open?id=1so-DO93OE0p6oQjmbwKthFlhnOd69D1X

2. Click on this link to download 2nd chapter of science book
    
    https://drive.google.com/open?id=1H1HKcwC9nAQU67Ztx_808vbEzJirXOvv