Answer:
Dopamine
Explanation:
Dopamine is a type of neurotransmitter. Our body makes it, and our nervous system uses it to send messages between nerve cells. That's why it's sometimes called a chemical messenger. Dopamine plays a role in how we feel pleasure. It's a big part of our unique human ability to think and plan.
The main areas of open-field<span> farming stretched from Dorset and Hampshire in the south, through the midlands, to Yorkshire and Norfolk in the east. </span>Advantages<span> The </span>system<span> had many social </span>advantages<span>. Its small scattered strips </span>were<span> theoretically intended to share good and bad land fairly.</span>
Answer:
<h2>Lines of longitude meet at north and south pole.</h2>
I think the word you're looking for is "hypothesis".
For example, a hypothesis could be "dogs drink more often when owners are present".
And then this can be proven (or dis-proven) by an observation (or in this case rather: measurement).
Answer:
government agencies is the first thing that comes to mind
