The energy available to producers in an energy pyramid is 200 kilocalories. Approximately how much energy is used by the producers to make food, grow, and reproduce? 20 kilocalories

200 kilocalories

180 kilocalories

120 kilocalories

check for the pregnancy rating of drug. if its class c or d see if other alternatives

that would be called plucking : )

explanation:

''plucking, also referred to as quarrying, is a glacial phenomenon that is responsible for the erosion and transportation of individual pieces of bedrock, especially large "joint blocks". as a glacier moves down a valley, friction causes the basal ice of the glacier to melt and infiltrate joints (cracks) in the bedrock."

the earth is thought to have been formed about 4.6 billion years ago by collisions from a cloud of hydrogen, helium, rock, ice and other materials. these were pulled together by gravity to form objects in and around earth like- asteroids and small early planets called planetesimals.

so, the best possible answer to this question will be option d- to harden materials to form different parts of earth’s layers