In a healthy ecosystem which level is going to have the most organisms in it?

The enthalpy of formation of water is -285.8 kj/mol. what can be inferred from this statement?

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

Adepositional also feature that forms where a stream enters a lake or an ocean is a