Provide one example of how stress can affect our health.

if we have continuous stress we may have problem with stomach pain, headache, high blood pressure and sleep. i hope it helps you.

it can lead to headache and high blood pressure

answer:

i don't believe the ocean is purple, but it might once have been:

as for the sky, according to nasa:

"sunlight reaches earth's atmosphere and is scattered in all directions by all the gases and particles in the air. blue light is scattered more than the other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time."

Neostigmine. Mechanism of Action: Inhibits the hydrolysis of acetylcholine by competing with acetylcholine for attachment to acetylcholinesterase at sites of cholinergic transmission. It enhances cholinergic action by facilitating the transmission of impulses across neuromuscular junctions.

Explanation: