It depends on what you're asking. If angle a and b are both on a straight line, b would equal 169 degrees because the total has to add up to 180 degrees, but if they are on a right angle, b would equal 79 because it has to add up to 90 degrees.
Answer:
D. The Middle East
Explanation:
some the middle east countries are Saudi Arabia and Iran and they both are in the top 10 list on depending on oil export.
Explanation:
Given the importance of oxygen for animals, researchers suspected that a sudden increase in the gas to near-modern levels in the ocean could have spurred the Cambrian explosion. ... This supported the idea of oxygen as a key trigger for the evolutionary explosion.
Answer:
you have to provide the articles
Explanation:
you didn't put the articles
Well becuase no slavery if you r talking about it in the 21st century but it u r talking about it in the past they moved there becuase the whites couldnt reached them in india so the blacks moved there but sometimes blacks turn on blacks and sell them for slavery
