Vitamin K, I believe anyway I may be wrong.
<span>A is the correct answer. The developmental norms are stages at which humans typically develop the ability to successfully complete an activity without aid, for example, being able to walk. When people have reached the age of the norm and cannot complete the activity, there may be cause for concern.</span>
Science has shown that smoking causes cancer. Among these is an example
of how society responded to this information. Which one is this?
B. Forty-seven U.S. states now restrict smoking in public areas.
The answer is A because relating to or denoting exercise that improves or is intended to improve the efficiency of the body's cardiovascular in absorbing and transporting oxygen.
