The answer to this question is :B
I believe the answer is E) Input
The hero changes from being happy to depressed or unhappy
Answer:
chemical change.
Explanation:
There are two types of changes in matter: physical change and chemical change.
physical change- it is a change in matter that alters only its physical properties or its physical appearance. This type of change is reversible. For example- freezing of water, the water turns into solid ice and it can be reversed by melting the ice.
chemical change- it is a change in matter that alter its chemical and thus its physical properties. Most chemical changes are irreversible. for example- burning of paper, results in black soot and ashes- Thus changing both physical and chemical properties.
Answer:
Egg white and amino acid solution.
Explanation:
Egg white and amino acid solution are the two foods that are used for building of body parts because they have proteins in them that is responsible for the building of muscles of in human body. There are two components of egg i.e. white and yellow part. White is the proteinic part whereas yellow parts having fats and other nutrients. Amino acid solution has amino acids which is considered as the building block from which protein is made.
