To which sphere does soil belong

After railroads, the next revolution of transportation came with the development of (a) automobile (b) telegraph (c) steam engine

What is the relationship between an area's geography and the temperature of its surface water? a. areas at high latitude have the warmest water because their days are longest b. areas at high latitude have the warmest water because they have the longest seasonsc. areas at low latitude have the warmest water because they receive the most direct sunlightd. areas at low latitude have the warmest water because they have the least change in temperature throughout the year

Who are the kikuyu people and where do they live ?