Answer:
Adapting to Survive
For economic reasons, some tribes, such as the Choctaw, began to raise more crops once they moved west. Crops gave them something to trade and sell. As a result, men spent more time working the fields, and they typically only hunted small animals.
gl:))))
The answers is 2. Acetylcholine
Lemons are very acidic, so they can be used to remove any <u>dark spots</u> that may appear on your chef's knives over time.
<h3>What is
acid strength?</h3>
Acid strength can be defined as a measure of the ability of an acid to dissociate (ionize or split) into an anion and a proton. Also, acid strength is typically measured in pKa.
<h3>The two types of acid.</h3>
In Science, there are two main types of acid and these include the following:
- Strong acid
- Weak acid
On a pH scale, a solution with a pH of 1 is considered to be a strong acidic while a solution with a pH of 6 is a weak acid such as lemons.
Due to the slight acidic nature of lemons, they can be used to remove any <u>dark spots</u> that may appear on your chef's knives over time.
Read more on weak acid here: brainly.com/question/9466949
#SPJ1
The 3 levels are that they overlap each other
