Why do some devices use batteries and other devices use a wall outlet for power?

Which of the following should maintain the appropriate temperature and humidity levels and provide closed-loop recirculating: a. Air-conditioning, b. Positive pressurization c. Ventilation

8. __Which of these is NOT a phenotype. A. Tall B. Short C. Homozygous D. Round It is open book and I missed a week of school so idk the answer,

For sprinters running at 12 m/s around a curved track of radius 26 m, how much greater (as a percentage) is the average total force on their feet compared to when they are running in a straight line?

When Xavier places his hands near a light bulb, he notices that certain areas around the light bulb are warmer than others. Which best explains this? The areas to the sides of the light bulb are warmest because of conduction.

The collision of the molecules of a fluid inside the surface of their container best describes which of the following?

White moths were found in huge numbers in the city of Birmingham. These moths could be easily camouflaged by the trees. Because of sudden industrial development, the trees in the city were covered with soot.

What would happen if water could not condense into the atmosphere

How did rutherford's experiment show that thomson's plum pudding model was incorrect?

A car accelerates from 30 m/s to 50 m/s in 2 seconds. Calculate the cars acceleration

What color of light has the shortest wavelength