Select the correct domain for each description. Organisms in this domain can be unicellular or multicellular. Organisms in this domain are unicellular and are often found in extreme environments. Organisms in this domain have cells that contain a nucleus.

Explain vector addition, triangle method and parallelogram method

The field between two charged parallel plates is kept constant. if the two plates are brought closer together, the potential difference between the two plates either a) decrease b) does not change c) increase?

An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. but she does have devices to measure distance and time accurately. she knows her own mass is 77.4 kg , but she is unsure of the mass of a large gas canister in the airless rocket. when this canister is approaching her at 3.50 m/s , she pushes against it, which slows it down to 1.30 m/s (but does not reverse it) and gives her a speed of 2.60 m/s . what is the mass of the canister?