(Question)
Fact 1: Cells that divide uncontrollably may form a tumor, or abnormal mass of cells. Fact 2: Cancer begins when a cell begins dividing uncontrollably. Given the two facts above, answer the question "what can cause a tumor to form?" with the following options: - parasites - cancer - respiration - digestion - pesticide - radiation - ovaries - weathering
(Answer)
cancer

(Question)
Fact 1: Pushing on the pedals of a bike cause that bike to move. Fact 2: Wheels reduce friction with the floor to help cars move. Given the two facts above, answer the question "pushing on the pedals of a bike cause what?" with the following options: - electromagnetic energy - Pollution - friction reduction - kinetic energy - decreases its bodily water - mechanical - get started - Heart rate
(Answer)
friction reduction

(Question)
Fact 1: Adult sponges are sessile. Fact 2: Sponges are sessile animals that live in fresh or salt water. Given the two facts above, answer the question "what can sponges live in?" with the following options: - crust - salt water - mouth of rivers - mantle - water - Bodily water - stars - loose soil
(Answer)
salt water