Give two examples of other devices in which the chemical energy in a battery is transformed into electrical energy

Iknow #2 is d. i just need to know why

Select the correct answer how does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed? ca the value of is negative the value of qis positive the value of a remains constant the value of a decreases the value of equals zero e

The grooves or folds of the brain are called