Assessing a claim based on context
quick check
news stories have claimed that cell phones may cause cancer or other health problems. others,
including cell phone providers, have indicated that there is no evidence to support the claim of cell
phones causing health problems. which statements would most likely be found in a report issued by a
cell-phone provider? check all that apply.
cell phones emit radio waves, a form of nonionizing radiation
brain tissue is located near where the phone is held and absorbs radiation from the phone.
cell phone use has increased to 303 million subscribers in the us as of 2010
the number and duration of cell phone calls has increased.

Iwanna go do something with my ideas? ?

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?

This diagram shows how seed plants are grouped. which is the missing label? bryophytes angiosperms pteridophytes monocots