Which best describes eras and periods?

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from

Which compound contain an iron with a 3+ charge

Imagine one batch of soup (batch “a”) is made with 8.19 g/can of salt, according to the recipe, and a second batch of soup (batch “b”) is made with 8.32 g/can of salt. explain which batch would be more resistant to frost damage if it is shipped a great distance in winter and explain why.