Problem: John wanted to invent a machine. To that end, he devised an experiment in which he used three components, comp A, comp B, and comp C. Comp A was a machine that applied force over a shorter distance. Comp B was also a machine, but it applied force over a longer distance. Comp C was not a machine. Which component would less likely change the direction of force, comp A or comp C?

A: comp C

Problem: Manny and Annie were two foodie friends. Manny was a health conscious person, he ate organic foods and drank organic milk only. Annie liked all foods, whether they were organic or not. Which friend ate more foods free from agents that could cause human diseases?

A: Manny

Problem: Spain and Italy participated in a global warming global forum this year. it turns out that Spain uses lots of fossil fuel and natural gas for their economy, while Italy relies on ecological alternatives. Which country released less carbon dioxide into the atmosphere?

A: Italy

Problem: Johnny is playing with a toy train set his parents bought him. The controls for this train set allow him to make it go faster or slower and it even has a rail switch to make it travel on different tracks branching off to the left or right. Given Johnny decides to slow the train down, will this be an example of acceleration or deceleration?

A:
deceleration