What is a system called when neither energy nor matter is exchanged between the system and the surroundings? Closed system
Free energy
Isolated system
Open system

Which traits do human embryos have that link them to a common ancestor with fish and reptiles? a. scales and tail b. gill slits and scales c. tail and gill slits d. hair and tail

7. in the cycle, a virus integrates its dna into the host's dna, and its dna is replicated when the host dna is replicated. a. infectious b. retroviral c. lysogenic d.lytic

Ajar is tightly sealed at 22°c and 772 torr what is the pressure inside a jar after its been heated to 178°c