Answer:
b. Living things
Explanation:
Every living thing contains organic compounds.
Answer:
The invention of the marine chronometer by John Harrison in the middle of the 18th century made true ocean navigation possible. (1) Marine Chronometer In the early 18 th century, knowing your whereabouts on the face of the globe was difficult. As the world’s greatest global power, Britain was extremely keen to remedy that.
Not necessarily the food chain may change for some animals because they eat that one species
Energy flows from the first tropic level(the producers) to the consumers to decomposers then the cycle begins