concentration gradient : a gradient in concentration of a solute as a function of distance through a solution ― the movement of a solute down its concentration gradient is called diffusion

The loud music was a stimulus for the crowd to start dancing.

I can not comply with your request.

In order to distract the others, we brought up this irrelevant issue as a red herring.

Before starting her new hobby, she purchased a primer to familiarize herself with the basic concepts and techniques.

Our conversation was interrupted by his sneezes.

I'd like to have a consultation about getting braces.

Water and air are both fluids.

I stopped halfway through the marathon.

The museum has a beautiful collection of artwork.

NSAIDs inhibit the activity of both Cox-1 and Cox-2 enzymes

He memorized ten English words a day.

I think it might be useful if you could add how to output the diphthongs (with small ya/yu/yo) and geminate consonants (with small tsu).

Calcium is an essential mineral for strong bones and teeth.

We reached our destination just as I thought the car was going to give up the ghost.

The police confiscated the stolen artwork

Synthesis is the process of combining separate elements or substances to form a coherent whole.

I was stereotyped as a lazy Southern European

amino acids/proteins

She has an innate love of adventure.

Cheers to good health!

The mist was so dense that I could not see even an inch ahead.

Old people are inclined to look back on the past.

Potassium is an essential mineral for maintaining proper heart and muscle function.

He grinned broadly at us.

I found a lump on my arm.

a diagnostic reading test

This is what Mr. Darwin calls 'Natural Selection,' which 'acts by the preservation and accumulation of small inherited modifications, each profitable to the preserved being.'

I bought a bulk package of toilet paper.

I'll mail this questionnaire as soon as I finish.