1) what is Standard units of time a) seconds b) hour c) gram d) liter 2) what thing is used for length a) ruler b) balances 3) time is measured using a) seconds,minutes,hour b) gram,liter 4) temperatuer is use to see a) you have a cold or hot b) you can play with it

rayyan game measurement

由
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?