Question

I. Change the given sentences as instructed.
1. They water their garden. (past perfect) 2. She is playing the guitar, (future continuous)
3. I walked for one hour for reach here. (past perfect continuous)
4. He ate his breakfast. (future perfect)
5. The children are writing articles fòr the school magazine. (present perfect)​

Answer 1

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• So if you glance at the periodic table, you will see hydrogen is the first element in the table. It is the smallest element on the table. It has atomic number one, which means it has only one electron orbiting it its shell. In fact, Hydrogen has only one shell.