PLEASE HELP
what reason best illustrates why Hershey and cheese chose to use viruses and experiments
A. viruses are easy to obtain and manipulate
B. viruses are made up of the two things that scientist were studying at the time proteins and DNA
C. viruses cannot make humans sick but bacteria could
D. viruses are immune to radioactivity and cannot be degraded by it

In the african savanna,more wildebeests are born than the environment can support. which is most likely to happen over a period of years as a result

Plz genetic engineering can be applied to many fields including medicine and agriculture. which of the following is a medical application of genetic engineering? a. giving crop plants recombinant dna so that they would be resistant to herbicides. b. examining a persons pedigree to determine whether they can carry a gene for a genetic disease. c. analyzing a persons dna to see how closely they are related to another person. d. certain genes into bacteria so that they will produce a needed medicine.

The united states produces an average of 429 billion pounds of food annually. about 133 billion pounds of that food ends up as waste.the percentage of food that the united states wastes each year is %.