Which of these is most likely true for two organisms, a and b, in competition? 1. a feeds off b and b is harmed. 2. both a and b feed off one another. 3. both a and b are deprived of a resource. 4. a gains a resource and b is deprived of it.

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

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist

The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a.an ionic bond is formed between the oxygen and carbon atoms. b.four valence electrons are shared. c.two valence electrons are shared. d.valence electrons are shared between oxygen atoms.