Answer:0.5 m/s
Explanation: Divide D: distance To L: line 3.5 divided by 1.75 gives you 0.5 m/s
distance/time
Explanation:
About 78 per cent of the air is nitrogen and 21 per cent is oxygen. These two gases can be separated by fractional distillation of liquid air.
Explanation:
atom changes from a ground state to an excited state by taking on energy from its surroundings in a process called absorption. The electron absorbs the energy and jumps to a higher energy level. In the reverse process, emission, the electron returns to the ground state by releasing the extra energy it absorbed
Answer: what the hell does that mean
Explanation: