The big bang theory states that the universe was formed as the result of a huge explosion. how did the universe begin, according to the theory? a. as a huge nebula of gas and dust b. as a small, densely packed space c. as a supernova d. as a black hole

Analyze the forces acting on a cyclist who is slowing down as he or she climbs a hill

Darwin studied two different types of tortoises on the galapagos islands. sort the characteristics based on which tortoise they describe.

Case # 51173878 weighs 814 pounds; case # 51173981 weighs 803 pounds; case # 51174058 weighs 817 pounds; case 51174178 weighs 815 pounds; case # 51174248 weighs 817 pounds; case # 51174495 weighs 781 pounds; case # 51174577 weighs 828 pounds. what are the case #'s of the two cases that weigh the same amount?