You are in an area near the shore of a pond with many grasses and no trees. You are in a . a.
tundra
c.
forest
b.
marsh
d.
savanna

the answer is c) abandoned properties that are contaminated with hazardous materials.

thinking it would be d not too sure but i think it's right

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.

the answer would be d : p