Explain a plastic geyer

Indicate whether the specified alkyl halides will form primarily substitution products, only elimination products, both substitution and elimination products, or no products when they react with sodium methoxide. 1-bromobutane 1-bromo-2-methylpropane 2-bromobutane 2-bromo-2-methylpropane

How does the principle of electromagnetism explain the interaction between earth’s magnetic field and the solar wind?

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled