D: fitness journal
It’s correct
Amylase is an enzyme that hydrolyses the alpha bonds of large, alpha-linked polysaccharides, such as starch and glycogen. The catalyzed products are glucose and maltose. In the human body, both salivary and pancreatic amylase is produced.
"C. Ecosystem"
An ecosystem is described by the interaction between living organisms in a given area, interacting with others, and non-living aspects of the environment where they are in. By considering the living place of a woodchuck, what they eat, and where they feed, we are talking about an ecosystem.
3.) Testing multiple variables.
Answer:
Mechanical waves(Water waves, sound waves Spring waves )Electromagnetic Waves(Light waves Heat waves)