The organism shown is and it is a A. single-celled, plant B multi-celled, plant C. multi-celled, fungi D. single-celled bacteria​

The changes to agriculture in the united states since 1900 is that increased mechanization has increased food production, thereby increasing the need for labor. there has been an increased need for higher speeds of food production due the fact that the population in the united states continues to rise.

The correct answer is "  it was believed that the dispute emerged in 632 just after the death of the prophet muhammad."