Q: Fact 1: Aging is associated with the death of cells. Fact 2: Telomeres degrade as the cells divide and their shortening causes cell death. Given the two facts above, aging is associated with degrading:?

OPTIONS:
- Most plants
- an object
- Acids
- telomeres
- layers of fat
- Chlorophyll
- vegetation
- the skin

A: telomeres

input: OPTIONS:
- heat energy
- focusing a lens
- chemical changes
- flow of electrons
- electrically
- Electrical energy
- sunlight and rain
- energy of moving objects Now, answer this question: Fact 1: Sunlight and rain can cause a rainbow. Fact 2: Bent light separates into the colors of a rainbow. Given the two facts above, what can cause bent light to separate into colors?
A:
output: sunlight and rain

Fact 1: Blood pressure is highest in arteries and lowest in veins. Fact 2: Arterial Blood Pressure Arteries conduct blood away from the heart. Given the two facts above, where is blood conducting when blood pressure is highest?

OPTIONS:
- critical organs
- in the brain
- towards the heart
- in the toes
- epidermis and dermis
- away from the heart
- preventing heat transfer
- the body's largest organ

Answer: away from the heart

Problem: OPTIONS:
- a lack of noise
- CFCs
- CO 2
- a lack of sound
- wind
- air
- gas
- no noise
Q: Fact 1: Blowing air into a whistle causes air to vibrate inside the whistle. Fact 2: Sounds are caused by vibrations in the air. Given the two facts above, blowing what into a whistle causes sound?
Answer: air

Problem:OPTIONS:
- a lot of human deaths
- water seeping out
- precipitation
- Deposition.
- lack of water
- Deposition
- drought
- dry air

Fact 1: Streams may start with runoff or water seeping out of a spring. Fact 2: Heavy rains and runoff caused streams to rise rapidly. Given the two facts above, heavy rains and runoff can cause what?
****
A: water seeping out

Problem:OPTIONS:
- one at a time
- to move people
- running and lifting
- protein channels
- a hydraulic system
- it needs them
- undulations
- It helps them survive

Fact 1: Echinoderms have a unique water vascular system with tube feet. Fact 2: Echinoderms have a hydraulic system of locomotion called the water vascular system. Given the two facts above, how do echinoderms use their feet to locomote themselves?
****
A:
a hydraulic system