Question

CHANGE TO THE PASSIVE FORM

1.luigi galvani invited to the electric battery in 1786
2.chemist can extract nitrogen from the air
3. water..... (discover) under the sahara dessert
4.coal....(produse) by plant matter of prehistoric times
5.the weights of the planets .... (calculated) by newton as young man

Answer 1

1.The electric battery was invented (by Luigi Galvani) in 1786
2.Nitrogen can be extracted (by chemist) from the air.
3.Water can be discovered under the sahara desert.
4.Coal can be produced by plant *in a matter of prehistoric times*
5.The weight of the planets can be calculated by Newton as a young man.

yg di dalam kurung, bisa dipakai atau dihilangkan.Tergantung gurumu mintanya bagaimana.

Yang di beri tanda *..* sedikit aneh kalimatnya (hanya pada bagian itu saja.)

Bnyk yg aalaj tulisannya tp sdh sy benarkan sebisa mungkin.Maaf kl ada kesalahan.