Problem:OPTIONS:
- gene
- blood cells
- p53
- peptides
- SNPs
- RNA
- DNA
- bacteria

Fact 1: Many nucleotides bind together to form a chain called a polynucleotide. Fact 2: RNA like DNA is a polynucleotide. Given the two facts above, what do nucleotides bind together to form?
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A: RNA

Problem:OPTIONS:
- ground level
- kinetic energy
- major threat to health
- level of sound
- eat plants or other animal
- level on the pyramid
- level of height
- Inches or fractions of inches.

Fact 1: Many consumers feed at more than one trophic level. Fact 2: Each level on the pyramid represents a trophic level. Given the two facts above, many consumers feed at more than one what?
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A: level on the pyramid

Problem:OPTIONS:
- gone forever
- Exfoliation
- Most plants
- Mulberry
- ligt
- vegetation
- Heavy rains
- homogenous

Fact 1: Plants that shed their leaves seasonally each year are called deciduous plants. Fact 2: Mulberry trees are deciduous. Given the two facts above, which of these trees seasonally sheds its leaves?
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A: Mulberry

Problem:OPTIONS:
- tornadoes
- fires
- low rainfall
- disease
- permineralization
- drought
- Dehydration
- sweating

Fact 1: Lack of moisture in the air causes low amounts of rainfall. Fact 2: Humidity is moisture in the air. Given the two facts above, what does a lack of humidity cause?
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A:
low rainfall