*Question*
Thirst is used to make an animal realize that it needs to replenish its bodily water by the body, and an example is H2O which shows water is made of two atoms of hydrogen stuck to one atom of oxygen. Given these facts, thirst shows an animal that it needs what among the following options: - CO2 - H2O - He - food - feed - urea - O2 - H20
**Answer**
H2O

*Question*
Cancer is a disease in which cells divide out of control, and cancer is the second leading cause of death. Given these facts, the second leading cause of death is a disease in which among the following options: - immunities are destroyed - an area swollen with pus - plague clogs arteries - deadly and devastating - cause people to become sick. - microorganisms - cells divide out of control - the body lacks insulin
**Answer**
cells divide out of control

*Question*
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.
**Answer**
prevent heat loss

*Question*
Creating paper requires cutting down trees, and rainforests are destroyed by logging and all of the trees are cut down. Given these facts, what destroys rainforests among the following options: - snakes - erosion - creating paper - sunlight - humans disturb it - insects - deforestation - Pollution
**Answer**
creating paper