help!physics!why do different forms of neclear radiation have different "quality factors"?for example,alpha particles have a quality factor of 20 while gamma rays have a quality factor of 1用中文来说应该是 为什么不同的核辐射（不好

I (don't need) any help.I can do everything myself.why why why do youoften help your parents do chores?why or why not? help!physics!why do different forms of neclear radiation have different quality factors?for example,alpha particles have a quality factor of 20 while gamma rays have a quality factor of 1用中文来说应该是 为什么不同的核辐射（不好 he agreed___(help)me with my physics. Why do you help your mother do the housework?怎么回答 短词造句：encourage sb give sb support help sb(to)do sth why not do do perform an experiment in physics是什么意思 can you help -----my physics?(用适当的介词填空) What we need to do is to help others,not to find why they need help是什么意si the problem is ------we should do-----himA what,to helpB that,and helpC how,to help D why,and help Do you think we should help the poor people,why?作文. do you think ads help people sell more products?why?ads-广告 中英文回答都可以 why do not you ask your parents for help?的同意句 why do you think computer can help you in leaning english Unless you can help somebody today,why not just do it?修改病句 Do you think surfing on the Internet can help you Why?英语作文Very necessary,thanks! why do not you ask Mr li for help?的同义句2个 why do you think there is still a long way to go to help the panda?