In the image, layer A is the topmost layer. Layer C contains fossils from the Precambrian era. Layer B contains dinosaur fossils, and layer A contains fossils of mammals. Which two statements are supported by this evidence?

the bald eagle got 50 because everything gets 10% of what they consume and since 50 is ten % of 500 hundred that means the   grasshopper had to have consumed a plant with 5,000 calories of energy

hello

answer: collecting information/data

reason: the student is going around and asking people questions to collect data

i hope this

oxygen = 21% of the atmosphere

nitrogen = 78%

carbon dioxide = 0.1%

argon =0.934%

c should be the answer