What is a similarity between incidental and intentional learning?

both bring knowledge into your brain.

both resemble deep processing.

both allow knowledge to be forgotten to make room in your brain.

both require adequate sleep.

Both learning provides knowledge to the brain is a similarity between incidental and intentional learning.

Explanation:

Intentional learning as the name suggests is the kind of learning where the individual is intended to learn about a particular matter. Whereas, the incidental learning is learning that is without any intention of learning. It occurs during a task or any activity.

However, both the learning has one thing in common, that is, they both bring knowledge. Even though the methods of learning are different, we acquire knowledge through both the methods.  

answer; im thinking (france);

since you have not provided the options here i   am going to give you general overview about hormone.hormone are actually the part of endocrine system in our body and produced by the endocrine glands. the hormones act like a chemical messenger   within human body. once produce by the glands they   travel through the blood stream and reach at specific or target tissue and organs   which result in control of our body function. the hormones are specific in their work and work on only the targeted tissue or organ   . with the of hormone endocrine system regulate the heart rate , metabolism, our mood and   growth as well as the development and even the sleeping cycle etc. they actually are the messenger for body cell and organs .