Answer:
im not very smart but i think b or c
Explanation:
The density, of a substance is its mass per unit volume. basically is mass so its one of the two. i hope i helped! <3
Answer:
A) Vitamin A
Explanation:
Dark green vegetables are a good source of Vitamin A, and do not contain much, if any, Vitamin D, zinc, or selenium.
What would the answers to choose from be?
Answer:
Cells are organized into tissues, which are organized into organs, which are organized into organ systems.
Explanation:
