Answers: 2
Biology, 21.06.2019 13:30, monica1670
What is one benefit of a nonrenewable resource, such as natural gas? a. generate large amounts of electricity b. less expensive overtime c. produces pollution d. will run out eventually
Answers: 1
Biology, 22.06.2019 13:00, mimivenga
Astudy by solloch and et. al., in 2017, gives the map above which shows the frequency of alleles with a ccr5-delta32 mutations over 87 different countries. this mutation deletes the presence of a co-receptor (ccr5) on the outside of human t-cells (lymphocytes). some viruses, such as the one responsible for the black death and human immunodeficiency virus (hiv), require this receptor for attachment to host cells during the infection process. the black death was an epidemic that passed over northern europe during the 14th century killing nearly 60% of europeans. according to this information, which explanation best explains why northern europeans show a greater immunity for hiv than some other parts of the world?
Answers: 1
Biology, 22.06.2019 16:30, Ezekielcassese
Which is an example of a vestigial structure? a: paw of a lionb: wing of a birdc: appendix of a humand: tail of a cat(i think it's a but i'm not sure)
Answers: 1
Biology, 22.06.2019 16:30, ingridx0
9. technology can bring both good and bad things. building a vertical farm can increase food supplies in cities (good), but it may cause unemployment in rural areas (bad). give another example of both the good and bad sides of a technological advancement (5 noints)
Answers: 1
In a small population, a random chang in allele frequency is called...
Mathematics, 08.10.2019 02:30
History, 08.10.2019 02:30
History, 08.10.2019 02:30
Computers and Technology, 08.10.2019 02:30
Social Studies, 08.10.2019 02:30
English, 08.10.2019 02:30