Why levek of water should be above level of the stem of inverted funnel in hydraulic experiment

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

amber has allowed scientists to study dna that has been preserved over millions of years.

i think it’s c but i might be wrong. if i am let me know! have a good rest of your day as well!