Help ASAP pls I need help and this is science but there was no option for science so I just put biology

Are salt and soap nutrients or toxins for yeast? explain.

How are gross production and net production different? a. net production is always greater than gross production. b. net production is always less than gross production. only animals have net production. d. only plants have net production. select the best answer from the choices provided

Identify two examples of chemical reactions that you have encountered during the last week. identify an exothermic and endothermic reaction. explain.