Add spaces: Healthysubstitutionscanbeusedtoreducefat,caloriesandsodium.

Answer: Healthy substitutions can be used to reduce fat, calories and sodium.

Add spaces: Thestudentswerepresentedforanassignmentwheretheyhadtomakearoominaboxofaminorsize.

Answer: The students were presented for an assignment where they had to make a room in a box of a minor size.

Add spaces: AshortintroductiontothelifeandworkofAndreasChr.Gierlew

Answer:
A short introduction to the life and work of Andreas Chr. Gierlew