Which body system is responsible for rapidly communicating information inside the body using electrical impulses? O Endocrine system
O Integumentary system
O Nervous system
O Skeletal system

*will mark brainliest to first correct answer* photosynthesis led to increasing levels during the later proterozoic eon? a. oxygen b. water c. carbon dioxide d. none of the above

Were does condensation occur? a) hydroshereb) lithosherec) boishered) atmosphere

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.