Astudent pushes a 40-n block across the floor for a distance of 10 m how much work was done to move the block

Astudy was performed on 20 trees to test the effectiveness of a new fertilizer. the results of this specific study is brought into question. what would possibly improve the reliability of the results?

According to the loco mass the mass of reactants and products

Were does condensation occur? a) hydroshereb) lithosherec) boishered) atmosphere