Which of the following can be used to determine the compostion of a star?

a. line spectra

b. blackbody spectrum

c. the star's magnetic field

d. light from sunspots

Although Iran is larger than turkey both countries have similar populations why might this be so?

Secondary succession occurs in ecosystems withou soil

Which is Mendel's laws or principles states that gametes carry one allele for each trait

Cartographers can make a projection all the way around the Earth by approximating a (n) blank - which is like wrapping a piece of paper around the globe and casting shadows onto it. O A. fingerprint O B. mushroom O C. rolling print D.

Dams have a limited effect on rivers and streams. true or false

The North African Maghreb states, dominated by the Atlas Mountains, do not include A. Libya. B. Morocco. C. Algeria. D. Tunisia.

What is the composition of the continental crust?

Which rock type appeared first on planet earth

Name the of mountian range in European Russia

Quais os receios da viralização das fakes news nas eleições brasileiras?