Biology, 19.10.2019 23:30 tamya12234
Which statement is true about earth's poles?
a. geographic poles are defined by earth's rotation.
b. magnetic poles are defined by earth's rotation.
c. earth's geographic south pole moves about 10 km each year.
d. earth's south magnetic pole is aligned with its geographic south pole.
Answers: 3
Biology, 21.06.2019 18:30
The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.
Answers: 3
Biology, 21.06.2019 21:30
I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.
Answers: 3
Biology, 22.06.2019 17:00
Earthquakes a.created the rock in arches utah b.can be caused by volcanic eruptions c.are caused by tsunami waves d.wear mountains down into hills
Answers: 1
Which statement is true about earth's poles?
a. geographic poles are defined by earth's rotat...
a. geographic poles are defined by earth's rotat...
Biology, 20.07.2019 07:00
Mathematics, 20.07.2019 07:00
Biology, 20.07.2019 07:00
Biology, 20.07.2019 07:00
Computers and Technology, 20.07.2019 07:00
Mathematics, 20.07.2019 07:00
Mathematics, 20.07.2019 07:00