Living things use to carry out all life processes.
I NEED THE ANSWER RNN PLSSS

Ineed with these last two questions: 1) what are two types of cold air masses that influence the weather in north america? name them and describe their humidity. 2) describe the motion of a cold air mass and a warm air mass and the weather you would expect at a warm front and an occluded front.

Calculate the mass of an object that has a momentum of 100kg x m/sec and velocity of 4 m/sec

Apulley with mass mp and a radius rp is attached to the ceiling, in a gravity field of 9.81 m/s2 and rotates with no friction about its pivot.