1) How long is one day ? a) 24 hours b) 16 hours c) 5 hours d) 1 seconds e) 50 hours f) 18 mins 2) how long does it take for earth to go around the sun ? a) 5 years b) 1 years c) 24 years d) 8 hours e) 7 years f) 12 seconds 3) what is earth tilted on ?  a) tree b) stick c) ice d) axis 4) which is earth a) . b) . c) . d) . e) . 5) how many moon does earth have? a) 7 b) 0 c) 2 d) 1 e) 76 f) 16

earth rotation

由
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?