3. which molecule is a reactant in photosynthesis in plants? a) carbon dioxide b) glucose c) oxygen d) carbohydrates

An exothermic reaction is conducted in an insulated calorimeter filled with water. the calorimeter is then sealed so that there is no heat exchanged between the contents of the container and the surrounding air. which of the following statements is true about the reaction?

Can someone me with 1 to 4 plz. fast

What is the main reason why some developing countries fear the increase the free trade policies around the world?