What did this x-ray crystallography indicate about dna? a. the ratios of the base pairs were always one to one b. the structure of dna was helical c. dna contained hydrogen bonds d. the building blocks of dna were called nucleotides.

If a robot fixed another robot is it a engineer or doctor?

Which statements describe resources? one of the factors people use when deciding where they will live is the availability of resources. renewable resources have little value for people. resources are unevenly distributed throughout the world. energy is the world resource which has the highest use. the use of nonrenewable resources has decreased in recent history. the use of resources is evenly distributed throughout the world. the world's oil supply will last for the next forty years if its use continues as expected.

Categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. makes predictions