What are 3 common shapes for the cross-sectional area? (For beams)

Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?

Two technicians are discussing a resistance measurement between the can-h and can-l wires. technician a says this measurement should be done with the ignition switch in the "run" position. technician b states that a measurement of 0 ohms indicates an open in the network. which technician is correct?

Which best represents the law of conservation of mass ?