Teens, athletes and pregnant women need the most calories per day.
Teens need more because they're still growing.
Athletes need extra calories to burn during their exercise.
Pregnant women because they need to feed the baby and themselves.
(Don't know how to explain)
Hope this helps, mark brainliest please!
It’s a scalar value that can be computed from the elements of a square matrix and encodes certain properties of the linear transformation
Answer: On APEX your answer will be D.
Explanation:
“Scientific models are often used in laboratories to represent Earth's processes. While field tests and observations are vital, physical, digital, and mathematical models are useful tools in the laboratory. Models provide insight into complex processes that might otherwise be difficult to grasp”