A scientist is a professional who conducts systematic research to expand human understanding of the natural world.

The hepatic flexure is the sharp bend where the ascending colon turns into the transverse colon.

Potassium nitrite’s chemical formula is KNO₂, an ionic salt made from one potassium ion (K⁺) and one nitrite ion (NO₂⁻).

Plants use sunlight, water, and carbon dioxide to make glucose and oxygen — the word equation is carbon dioxide + water + light energy → glucose +.

The female reproductive part of a flower is the pistil, a central structure made of the stigma, style.

The maximum of a function is its greatest possible value, while the minimum is its least possible value; together they are called extrema.

Major minerals are needed in amounts greater than 100 milligrams per day, while trace minerals are needed in amounts less than 100 milligrams per day.

Action verbs describe physical or mental actions performed by the subject, while linking verbs connect the subject to a description or state.

Specific heat capacity is the heat energy required to raise the temperature of one gram of a substance by one degree Celsius, measured in J/g°C.

Saving is income not spent – the cash left after subtracting expenses. It represents deferred consumption and can be held in savings accounts for short-term pro