Answer:
A !!!!!!!!!!
Explanation:
Progesterone is a hormone released by the corpus luteum in the ovary. It plays important roles in the menstrual cycle and in maintaining the early stages of pregnancy. It may also be involved in the growth of certain cancers.
A skeleton is the hard structure that protects the internal organs of a living thing.
Explanation:
The skeletal system is an organ system that serves as the framework of the body of an organism.
Answer:
The dependant variable is the growth of the plants.
Explanation:
The independent variable is what changes the dependent variable.
for example, the type of salt concentration ( Independent variable ) is/ isn't going to change the growth ( dependant variable ) of the plant.