Answer:
Atoms can join together - they form bonds together - to make MOLECULES. For example, two atoms of hydrogen hook together to form a molecule of hydrogen, H2 for short.
Explanation:
hopefully this helped i explained it the best i could
After he ate, glucagon from the cookies increased his blood sugar levels
Insulin was secreted after he ate the cookies because his blood glucose was high.
The answer is A: photosynthesis :)