Which one of the following is not a safety rule in the laboratory.
a. to sit on a stool
b. to follow instructions
c. to wear shoes with hard soles
d. handling apparatus

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

Calculate the work done by an external agent during an isothermal compression of 1.00 mol of oxygen from a volume of 22.4 l at 10∘c and 1.0 atm pressure to 16.8l

The system is released from rest with the cable taut, and the homogeneous cylinder does not slip on the rough incline. determine the angular acceleration of the cylinder and the minimum coeffi cient s of friction for which the cylinder will not slip.