Arailroad track is being built on an inclined surface. what is the estimated height of the supporting pillar that will be erected at a horizontal distance of 200 meters from the start of the incline?

Natural forces that can alter ecosystems include seasons and climate changes. t or f

Kate is working on a project in her tech education class. she plans to assemble a fan motor. which form of energy does the motor convert most of its electric energy into? a. light energy b. motion energy c. sound energy d. thermal energy

Organelles are 1. responsible for producing power for the cell 2. tiny structures in the cell that carry out the cell's activities 3. responsible for digestion in the cell 4. found outside of the membrane