Which of these is an example of a change where the properties of the original substances remain the same?
a) roasting corn on the cob
b) soaking rice in water
c) toasting bread
d) digesting food

the supermassive black hole is in the middle of the galaxy.

there is not 1 highest source of protein, but there are many; meats, fish, poultry, seafood, cheese, eggs, yogurt and milk. the only non complete animal food that is beneficial is gelatin.

sorry if this did not , have a great day!