I NEED URGENT HELP ON THIS I WILL MARK BRAINLIEST IF YOU CAN HELP!:)) 1ST DROP OPTIONS:
• nonrenewable
•renewable

2ND DROP OPTIONS:
•groundwater
•erosion
•vegetation

3RD DROP OPTIONS:
•lumbering
•reforestation
•slash and burn

1.  Renewable

2. Vegetation

3. Reforestation

I think this is right. I am not sure. Trust your instincts.

before, trains worked using the steam engine. thus, it uses heat so it is crucial to apply heat balance. the steam engine absorbs energy during the stage of boiling water. so, this is the endothermic reaction. when the steam is used to work the piston, it has to release this energy through running the train. the excess energy is released as an exhaust to the chimney. this is the exothermic process because it releases energy to the surroundings.