Which statement describes the Milky Way galaxy and Earth's position in it? A. It has a central core surrounded by a spherical halo of stars, and
Earth is inside the core.
B. It has a central core surrounded by a spherical halo of stars, and
Earth is in the halo.
O C. It has a central core around which its spiral arms spin, and Earth is
in one of those arms.
D. It has a central core around which its spiral arms spin, and Earth is
inside the core.

What are the similarities and differences in the way geologists and biologists approximate the age of the earth? justify your response in two or more complete sentences.

Why have the countries of the region had difficulty establishing democratic governments in recent years? choose all answers that are correct b is also correct i need to know if theres any morecommunists have overtaken the countries of the caucasus region. the soviets established national borders in the region without considering the location of ethnic groups. fighting continues between armenia and azerbaijan over the nagorno-karabakh region. civil war between communists and islamic groups in tajikistan resulted in thousands of deaths and refugees are forced to flee. in a test!

8. is a technique that uses the images from several telescopes to produce a single image. a. reflection b. interferometry c. radiation d. refraction