Answer and Explanation:
Observation is when you take a look at something really closely like examining the object.
For example:
You watch an interesting bird that you've never seen in you're life and decided to study it's feasters. That's called "Observing'.
Answer:
Increased GH secretion
Explanation:
In the growth hormone (GH)-secreting tumor, large amount of growth hormones are secreted. GH triggers liver and growth factors -1 is released in ample amount and causes acromegaly. Acromegaly causes hands and feet grow longer than the normal size. The exact cause of this problem is not known. However, in most of the cases it is caused by pituitary adenoma
I think the correct answer from the choices listed above is option A. The main system political parties that use to nominate candidates in the modern US political system is the primary system. In a primary the vote is cast by a secret ballot in order to decide the candidate of the party.
