Choose the best answer. ¿Qué nota recibiste en la clase de arte? Recibí una hoja de papel. Recibí una B. Recibí una grapadora. Recibí un sacapuntas.

The answer should be a.

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.