Q: Fact 1: Nephrons are the structural and functional units of the kidneys. Fact 2: Blood is filtered in the kidney. Given the two facts above, nephrons are the structural and functional units of the organ that filters what?

OPTIONS:
- Light
- Energy
- Coffee
- liquid
- Air
- Oxygen
- Blood
- Food

A: Blood

input: OPTIONS:
- legumes
- reefs
- Roads
- dams
- bridges
- bushes
- bacteria
- trees Now, answer this question: Fact 1: Polyps usually reproduce asexually. Fact 2: Reefs are built by tiny organisms called polyps. Given the two facts above, what are built by organisms that usually reproduce asexually?
A:
output: reefs

Fact 1: Echinoderms use pheromones to communicate with each other. Fact 2: Echinoderms and molluscs use adhesives to grip the substrate during locomotion. Given the two facts above, what do echinoderms employ to grip surfaces?

OPTIONS:
- adhesives
- resistance
- Hemoglobin
- properties
- forces
- direct energy
- abrasion
- layers of fat

Answer: adhesives

Problem: OPTIONS:
- Animal survival
- direct energy
- reducing acid rain
- Movement of an air mass
- heat energy
- running and lifting
- electricity production
- faster movement
Q: Fact 1: Wind is used for producing electricity. Fact 2: Differential heating of air produces wind. Given the two facts above, differential heating of air can be harnessed for what?
Answer: electricity production

Problem:OPTIONS:
- sun's heat
- squids
- heat
- Betelgeuse
- Polaris
- Light
- The Sun
- The Moon

Fact 1: Looking at bright objects has a negative impact on the eyes. Fact 2: Outside, the sun is bright. Given the two facts above, looking at what object could have a negative impact on the eyes?
****
A: The Sun

Problem:OPTIONS:
- Creatine
- Energy
- Estrogen
- Testicles
- matter vibrating
- Testosterone
- movement
- It expands

Fact 1: Testosterone stimulates the reproductive organs to develop into male organs. Fact 2: Male mammals have a tube-like organ called the 'penis'. Given the two facts above, what causes the penis to develop?
****
A:
Testosterone