A chicken farmer received complaints that the eggs' shells were very weak. She is looking to increase the amount of calcium the chicken receive. She separates her hens into 4
groups: the first will receive oyster shells, the second will receive eggs shells, the third will
receive salmon and the fourth is the control group. Over four weeks of the new dietary
supplements, the chicken farmer counts how many weak shelled-eggs in 100 eggs were
produced by each group. According to the farmer's data, did the supplements improve
the strength of the egg shells? If so, which supplement was most effective?
Number of weak egg shells per 100 eggs

Which type of bond forms between water moleculesstrong bondhydrogen bondcovalent bondpolar bond

(drag each tile to the correct identify which questions can be answered by what can be answered by science or which cannot. -is it right or wrong to use genetic engineering to produce new food products? -what are the most common social settings that tend to produce accomplished artists? -if a new gene is added to the genome of a tomato species, will that species be more resistant to insects? -should humans use biotechnology to bring extinct organisms from the fossil record back to life? -do the types of organisms found in the fossil record appear in consistent sequences in different parts of the world? -are michelangelo's paintings more impressive than rembrandt's?

Hershey and chase confirmed that dna, not protein, was the genetic material. how do the results of their two experiments support this conclusion?