1. Cats hunt not only by night but also daily.
2. Adobe is used throughout the Southwest to make ovens and bricked.
3. Both circular or longitudinal muscles occur in the walls of the throat.
4. A sixteenth-century navigator used an astrolabe to calculate a ship’s distance to the north or southern of the equator.
5. A fir tree requires neither warm weather or lengthy hours of sunlight to survive.
6. The skin protects the human body from infectious, injury, and harmful sunlight.
7. A light-year is a measurement of both time and distant.
8. The first tanks were powered by largely but inefficient internal combustion engines.
9. Watercress is a water plant whose shoots either take root in mud or to trail in water.
10. St. Bernards are prized for their keen noses, sure-footed, and unerring sense of smell.
11. Many of the great mountain ranges of the world are neither dead nor die.
12. The aardvark has a peculiar appearance because of its large bodily, pointy snout, large ears, and strong legs.
13. Tigers differ from lions neither in the color of their coats but also in their lack of manes.
14. In ancient times, the Milky Way was seen as a road, river, or bridged along which the spirits of the dead departed the Earth.
15. Seaweed not only helps to oxygenate water and keep it pure but also providing food for small fish.
16. Bronzes with ten percent or more tin are harder, more strongly, and more resistant to corrosion than brass.
17. The grizzly bear is set apart from other bears not only by its light-colored, shaggy coat but also it has a high shoulder hump.
18. A plant that stops growing and looks dead in the fall but to come back year after year is a perennial.
19. Many parts of Alaska are neither completely barren nor perpetual cold.
20. At one time, the Sahara Desert had the climate of a moist temperature or subtropical region.