Fact 1: Contact between rocks over long periods of time causes rocks to smooth. Fact 2: Metamorphic rocks are rocks formed by the alteration of preexisting rocks deep within the Earth. Given the two facts above, answer the question "what between objects formed deep within the Earth causes them to smooth" with the following options: - Movement - loose soil - erosion - contact - soils - break off - friction - Bend
contact

Fact 1: Adrought can change the color of an environment from green to brown. Fact 2: Too little rain causes a drought. Given the two facts above, answer the question "What can change the color of an environment from green to brown?" with the following options: - harmful substances - clouds - Greenhouse gasses - blizzards - deforestation - Greenhouse gases - blue skies - too little rain
too little rain

Q: Fact 1: Erosion causes a river to become deeper and wider. Fact 2: Canyon formed as a consequence of river erosion. Given the two facts above, answer the question "What are formed as rivers become deeper and wider?" with the following options: - sinkholes - soils - body water - loose soil - craters - mountains - canyons - Sediment
A: canyons

Question: Fact 1: Molecules of tRNA bring amino acids to the ribosome in the correct sequence. Fact 2: Amino Acids Amino acids are the building blocks of proteins. Given the two facts above, answer the question "What brings the building blocks of proteins to the ribosomes in the correct sequence?" with the following options: - recycling - flow of electrons - Chemical energy - it needs them - an engine - light energy - A computer - molecules of tRNA
Answer: molecules of tRNA

*Question*
Fact 1: Threatening behavior by predators causes a porcupine to extend its quills. Fact 2: Predators kill and eat their prey. Given the two facts above, answer the question "What threat would cause a porcupine to extend its quills?" with the following options: - snow - killing insects - being eaten - wind - rain - threatened - sea urchins - opossums
**Answer**
being eaten

Fact 1: Mollusks reproduce sexually. Fact 2: Mollusks in the diorama include snails and clams. Given the two facts above, answer the question "Which of the following organisms would reproduce sexually and not asexually?" with the following options: - Flowers - plants - amoeba - bacteria - fungus - snail - fungi - insects
snail