D) Fossils could not be found in that layer of rock.
Biodiversity is the different life forms and animals that exist on earth and the biosphere is where all of those life forms and animals live. <span />
Solar energy, wind energy, hydropower, geothermal energy, and biomass energy. These types of energy sources are different from fossil fuels, such as coal, oil, and natural gas.
Answer:
organ level
Explanation: because multiple types of tissues are working together.
