What do scientists believe is the determining factor that causes skin color variations in groups of humans around the world? a. genetics – two people with the same skin color are more likely to be genetically related, even if they come from different parts of the world b. diet c. ultraviolet radiation exposure in a society over a long period of time d. vitamin deficiencies

C. Ultraviolet radiation exposure in a society over a long period of time.

Explanation:

I've taken a test containing this question.

It would be UV light exposure because one all because someone looks the same as someone else doesnt mean their related. There genetic makeup like bloodtype and their hair color could be the same but that doesnt mean they are the same.

Explanation:

answer: me

explanation:

because it’s me

3. republican abraham lincoln

4. south carolina

5. charleston, south carolina

6. confederates

7. minie bullet - made defense even safer, it spun faster, traveled further and was five times more accurate than any single-man weapon. able to kill at half a mile, it was the largest contributor to battle wounds

      or the the gatling gun - the most successful of several rapid-fire guns that were born before the war. its efficiency in killing only made war more deadly.

idk which one u learned about. pick one.

8. the south was fighting to maintain its way of life, whereas the north was fighting to maintain a union. so they had will, and the north were fighing on unfamiliar territory

9. union had the large population, people to fight in the war and work in the factories to make war materials, industrial base, the factories to make these war materials. the union also was wealthier than the confederacy and could finance the war.

10. stonewall jackson

11. chancellorsville

12. gettysburg

13. sherman

some of these might be wrong but i tried my best.   : )