D. Steam enters a cylinder and pushes a piston
Answer:
ecosystem:a biological community of interacting organisms and their physical environment.
rainforest: a luxuriant, dense forest rich in biodiversity, found typically in tropical areas with consistently heavy rainfall.
major part of rain forest:Most rainforests are structured in four layers: emergent, canopy, understory, and forest floor. Each layer has unique characteristics based on differing levels of water, sunlight, and air circulation.
coral reefs :a ridge of rock in the sea formed by the growth and deposit of coral.
type of coral reefs:fringing reefs, barrier reefs, atolls, and patch reefs
Explanation:
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Answer:
A
Explanation:
Because it will not cause much harm to the environment.
I hope it's right (best of luck).
