Fact 1: Bacteria in soil convert atmospheric nitrogen into a form usable by plants. Fact 2: Plant adds nitrogen to the soil. Given the two facts above, answer the question "what feeds plants?" with the following options: - animals - insects - virus - bacteria - coal - bees - cells - sugar
bacteria

Fact 1: Plants that shed their leaves seasonally each year are called deciduous plants. Fact 2: Shade trees can be deciduous. Given the two facts above, answer the question "What can shed their leaves?" with the following options: - rabbit - Power plants - insects - swamp vegetation - mammals - Shade trees - animals - Most plants
Shade trees

Q: Fact 1: Many nucleotides bind together to form a chain called a polynucleotide. Fact 2: Nucleotides are the building blocks of DNA . Given the two facts above, answer the question "What do the building blocks of DNA bind together to form?" with the following options: - A compound that donates proton - colors of the spectrum - Electrical energy - chain called a polynucleotide - Something with exactly eight protons - Something that makes plants green - Something with a head, thorax, and abdomen - biological diversity
A: chain called a polynucleotide

Question: Fact 1: Hitting an object causes the particles in that object to vibrate. Fact 2: Rock particles vibrate back and forth. Given the two facts above, answer the question "Hitting a rock causes what?" with the following options: - heat energy - erosion - energy - friction - flooding - squeeze - contamination - vibration
Answer: vibration

*Question*
Fact 1: Fog is formed by water vapor condensing in the air. Fact 2: When air cools, the water vapor in the air condenses.". Given the two facts above, answer the question "Fog is formed when" with the following options: - summer end - evaporation - Winter - movement - air cools - Wet weather - rainy - dry and hot
**Answer**
air cools

*Question*
Fact 1: Most mollusks have shells. Fact 2: Mollusks are soft-bodied invertebrates. Given the two facts above, answer the question "Most soft-bodied invertebrates have what?" with the following options: - hands - epidermal - protected - a cuticle - hard - alveoli - shells - exterior
**Answer**
shells