Fact 1: Freshwater biomes have water that contains little or no salt. Fact 2: Another name for salt is sodium. Given the two facts above, freshwater biomes contain water that contains little to no what?
OPTIONS:
- cations
- Acids
- Nutrients
- sodium
- Pollution
- animals
- plants
- water
sodium

Fact 1: Cycles of freezing and thawing water cause ice wedging. Fact 2: Ice wedging is the most important form of mechanical weathering. Given the two facts above, what is caused by cycles of water freezing and thawing?
OPTIONS:
- heat is produced
- a tree falling
- peachleaf willow
- Plant growth is reduced
- root growth
- mechanical weathering
- Condensation
- fissures of hot, acidic water

Answer: mechanical weathering

Question: Fact 1: Astem is used to store water by some plants. Fact 2: Stems Stems are the support structures of a plant. Given the two facts above, where is water stored in a plant?
OPTIONS:
- dormant state
- at or near the margins
- colder and wetter
- the support structure
- it keeps an organism warm
- they body they live in
- It remains dormant
- excretory structures
Answer: the support structure

input with options: Fact 1: Annelids are worms such as the familiar earthworm. Fact 2: Annelids have bodies that are segmented. Given the two facts above, what kind of bodies do earthworms have?
OPTIONS:
- non-segmented
- roots
- slimy
- fertile
- bioaerosols
- vertebrate
- more abundant
- segmented
output: segmented

Q: Fact 1: Most invertebrates have a more complex nervous system. Fact 2: Invertebrates are animals without a backbone. Given the two facts above, most animals without a backbone have what?

OPTIONS:
- epidermis and dermis
- Leptospirosis
- Veins and arteries.
- death and devastation
- scarce resources
- barks and snarls
- decreases its bodily water
- Complex nervous systems

A: Complex nervous systems

Fact 1: Viruses are so small that they can be seen only with an electron microscope. Fact 2: Where most viruses are DNA, HIV is an RNA virus. Given the two facts above, what is so small it can only be seen with an electron microscope?
OPTIONS:
- clouds
- cell
- DNA
- ovum
- HIV
- magnified
- h2o
- RNA
HIV