Fact 1: Vertebrate chordates have a backbone. Fact 2: Jaws appear within the vertebrates. Given the two facts above, answer the question "What characteristics do chordates have? " with the following options: - arthropods - aerobic capacity - annelids - protozoa - Veins and arteries. - backbone and jaw - sensory neurons - four limbs
backbone and jaw

Fact 1: Cancer cells divide more often than normal cells, and grow out of control. Fact 2: Cancer is an example of a mutation in cells. Given the two facts above, answer the question "What can mutations cause?" with the following options: - death and devastation - blood - massive damage - Leptospirosis - biological diversity - horses - ice - out of control growth
out of control growth

Q: Fact 1: The vanes rotating in an electric fan causes air to move. Fact 2: Fans move air, providing a cooling breeze. Given the two facts above, answer the question "What in an electric fan provides a cooling breeze?" with the following options: - kinetic energy - metal face - heat energy - activation energy - Solar energy - plastic buttons - vanes rotating - electric cord
A: vanes rotating

Question: Fact 1: Vinegar can cause harm to the eyes. Fact 2: Vinegar, battery acid, and wine are acids. Given the two facts above, answer the question "What can cause harm to the eyes?" with the following options: - mildew - normal water - Herpes - normal air - coal - mold - acid - contact solution
Answer: acid

*Question*
Fact 1: Breathing is when a gill converts from oxygen in water into oxygen in blood. Fact 2: Most fish breathe through gills. Given the two facts above, answer the question "How do fish get oxygen?" with the following options: - muscles - gills - water - dorsal fin - eyes - skin - rivers - blood
**Answer**
gills

Q: Fact 1: Aging is associated with the death of cells. Fact 2: If the waste accumulates, the cell ages and dies. Given the two facts above, answer the question "What do dying cells do?" with the following options: - Move to another area - survival - accumulate waste - harm them - kill them - They may not survive. - keeps the organism warm - forest is destroyed
A: accumulate waste