What do all cellular activities in living organisms use as a source of energy? a.)atp b.)lactic acid c.)pyruvic acid d.)glucose

Nasa scientists must work together to make sure that everything is correct and accounted for when launching a shuttle. besides a physicist, what other type of scientist would be in making sure that the shuttle has the appropriate type and amount of fuel to reach its destination?

Apopulation of black bears depends on salmon from a stream for food. if a drought causes the stream to run dry one year, how will this likely impact the black bear population?

The distribution of related animals and plants across the world