Arefrigerator is used for keeping food fresh for a long period of time, and cold temperatures keep food fresh and inhibit the growth of most bacteria. Given these facts, a refrigerator is used for inhibiting the growth of what on food among the following options: - some invertebrates - viruses - molds - spores - Echinoids - most bacteria - Nematoda - cones
most bacteria

(Question)
Playing is one way mammals and other animals learn how to behave, and training animals in zoos is similar to the way animals learn in the wild. Given these facts, training animals in zoos is similar to the way they what in the wild among the following options: - groom - Birds - Fe - moves - play - reacts - sled teams - hunt
(Answer)
play

Ques: Head hair is especially important in preventing heat loss from the body, and bighorns have hollow hair that traps body heat. Given these facts, what do bighorns' hollow hairs do among the following options: - It helps them survive - Plant growth is reduced - prevent heat loss - share properties - protect them - allow growth - Decrease bodily water - refract or absorb.
Ans: prevent heat loss

(Q).
Carpooling decreases the amount of cars used to travel to a place, and arrange carpools to conserve fuel. Given these facts, what can reduce fuel usage among the following options: - airplanes - adding heat - trains - evaporation - buses - Metling snow - car pools - exercise
(A).
car pools

Ques:An animal requires air for survival, and air is primarily oxygen and nitrogen. Given these facts, what does an animal require for survival among the following options: - layer of body fat under skin - A compound that donates proton - Molecular kinetic energy - mineral particles and organics - a complete digestive system - converting food to energy - keeping food fresh for long periods of time - Something made primarily of oxygen and nitrogen

Ans:Something made primarily of oxygen and nitrogen

Fish have a centralized nervous system with a brain, and fish include bass and salmon. Given these facts, what have a centralized nervous system with a brain among the following options: - sharks - mammals - salmon - h2o - plants - humans - protist - tortoises
salmon