Most cacti grow in ............................... regions, people often associate them with deserts.

It is well known that cacti enjoy ................................. .

Even the warmest countries often have cold nights, cacti can ............................ colder temperatures.

Watermelon ........................................ high levels of vitamins, minerals and antioxidants, including Vitamin C.

Fruit is an excellent .......................... of nutrients.

Vitamin A is .............................. for the growth of all bodily tissues.

Fiber helps prevent ........................... and promote regularity for a healthy digestive tract.

Watermelon juice helps reduce muscle ......................................... and improve time following exercise in athletes.

Which word can best replace "essential"?