Question

lao needs current information for research. which detail from the selection helps analyze the usefulness for lao?
a according to science america, what we experience as fear has to do with our brain and the animal instinct to survive.
b the amygdala is responsible for communicating with the hypothalamus, a gland that floods the body with different chemicals.
c every part of the body requires oxygen and blood in order to function, but the brain redirects blood flow in times of fear.
d at the most basic level, our brains signal the body to produce adrenaline. this triggers a \fight or flight\ response in our bodies.

Explanation:

Lao needs information for research on the brain and fear. Option A directly links the experience of fear to brain function and survival instinct, which is a core, relevant detail for this research focus. Options B, C, and D are more specific, narrow details about brain structures/responses, while Option A provides a foundational, framing detail that helps contextualize the usefulness of studying fear's brain-animal instinct connection for research.

Answer:

A. According to Science America, what we experience as fear has to do with our brain and the animal instinct to survive.