Fact 1: If the amount of available food and water decreases in an environment then animals may leave that environment to find food and water. Fact 2: Food, water and air are the essentials of life on earth. Given the two facts above, what can decrease in an environment, and may cause animals to leave?

OPTIONS:
- essentials of life
- competition
- wind speed
- living things
- single-celled organisms
- deforestation
- biodiversity
- rock content

Answer: essentials of life

Fact 1: Aplant requires sunlight for photosynthesis. Fact 2: Sunlight is composed of photons, or particles of solar energy. Given the two facts above, a plant requires _ for photosynthesis?

OPTIONS:
- proteins
- photons
- Light
- sun's heat
- nutrients
- mitochondria
- sugar
- plasma

Answer: photons

Fact 1: Amold spore has a negative impact on the respiratory system. Fact 2: Mold spores, for example, are microscopic. Given the two facts above, what can cause respiratory issues?

OPTIONS:
- smoking tobacco
- a pathogens
- Microscopic organisms
- Normal humidity
- some viruses
- Clean air
- smoking pipes
- Mild weather

Answer: Microscopic organisms

Fact 1: An organism requires energy for growth. Fact 2: Growth has expanded rapidly. Given the two facts above, an organism requires energy for what?

OPTIONS:
- Something to move
- survival
- slow steadiness
- Digesting food
- plant life
- rapid expansion
- Animal survival
- falling down

Answer:
rapid expansion