1) spacecraft takes .................. to reach Mars a) 6 months b) 6 years c) few days d) 10 hours 2) your toy car uses batteries, which change .......... energy into electrical energy a) kinetic b) chemical c) light d) solar

Leaderboard

Estilo ng visual

Mga pagpipilian

Magpalit ng template

Ibalik ng awtomatikong pag-save: ?