A student claims that if an object brought near the sphere is attracted to it, then the object must be positively charged. What is the best assessment of this statement?

One or more substances changing into one or more substances is an example of a

24 points and brainliest to anyone who can answer under 10 minutes with best ! the table below shows the role of different substances during photosynthesis. substance role during photosynthesis glucose stores chemical energy water combines with glucose to form carbon dioxide chlorophyll traps sunlight which of the following statements would correct one of the roles listed in the table? glucose combines with carbon to form water. chlorophyll reacts with light to produce carbon dioxide. water combines with carbon dioxide during photosynthesis. chlorophyll stores chemical energy needed for photosynthesis.

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.