Which statements about a sample of gas containing molecules of different masses are true? check all that apply. a. more-massive gas molecules in the sample have lower rms speed than less-massive ones. b. more-massive gas molecules in the sample have higher rms speed than less-massive ones. c. the rms speed depends only on temperature, and so all types of particles in the sample have the same rms speed.

away from the curb

explanation:

the wheels would then hit the curb if it started to rolling, decreasing the chance of an accident.

the population of unionid mussels in the hudson river decreased after zebra mussels were introduced. zebra mussels, a nonnative species, competed with the unionid mussels for food. the zebra mussels were able to outcompete the unionid mussels, allowing the zebra mussel population to increase dramatically over six years. the unionid mussel population decreased due to a lack of food.

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