Old scientists discovered that calcium was important for bone health.

I learned about casein in biochemistry class.

This plant is strongly affected by auxin.

The string of this bow is made of horsehair.

I was disappointed by his cold attitude.

We will use chlorine in this chemical experiment.

A grapheme is the smallest unit that makes up written language.

In Japanese, graphemes include hiragana, katakana, kanji, etc.

I made vegetables and fish fried directly for dinner today.

Solar wind affects the Earth's magnetic field.