Why is it important to understand human sexuality

Did the universe cool off or get hotter as it expanded after the 'big bang"?

Given: m∠apc = 27°, m dc = 27° find: m ab

The ancestors of horses possessed feet with five digits. over time, with the development of grasslands, the digits fused and formed hooves. what evolutionary advantage did this transformation serve? a. it allowed them to climb rocky surfaces with ease. b. it allowed them to graze better. c. it enabled them to run faster from predators. d. it let them see clearly through the grasslands. e. it made them taller.