input with options: Answer the following question given this paragraph: Coal has different grades. Bituminous coal forms at lower temperatures. It contains a lot of sulfur. When it is burned, it causes a lot of pollution. Anthracite coal forms under higher temperatures. This drives off the sulfur, and the coal burns more cleanly. Q: What type of coal is formed at lower temperatures? A:
OPTIONS:
- clean
- calcareous
- limestones
- bituminous
output: bituminous

Q: Answer the following question given this paragraph: Terrestrial biomes are classified by the climate and their biodiversity , especially the types of primary producers . The world map in Figure below shows where 13 major terrestrial biomes are found. Q: Terrestrial biomes are classified by the climate and their what? A:

OPTIONS:
- habitat
- pollution
- geography
- biodiversity

A: biodiversity

input: OPTIONS:
- glycosyl transferases
- isozyme genes
- rohail genes
- homeobox genes Now, answer this question: Answer the following question given this paragraph: Homeobox genes are involved in the regulation of genes important to development. They encode transcription factors. Q: What types of genes encode transcription factors? A:
A:
output: homeobox genes

Answer the following question given this paragraph: The best-known method of radiometric dating is carbon-14 dating . A living thing takes in carbon-14 (along with stable carbon-12). As the carbon-14 decays, it is replaced with more carbon-14. After the organism dies, it stops taking in carbon. That includes carbon-14. The carbon-14 that is in its body continues to decay. So the organism contains less and less carbon-14 as time goes on. We can estimate the amount of carbon-14 that has decayed by measuring the amount of carbon-14 to carbon-12. We know how fast carbon-14 decays. With this information, we can tell how long ago the organism died. Q: Carbon-14 dating is a method of what kind of dating? A:

OPTIONS:
- orbital
- stratigraphy
- metamorphic
- radiometric

Answer: radiometric

Problem: OPTIONS:
- cold
- elevated
- dry
- moist
Q: Answer the following question given this paragraph: Ferns 11,000 They have large leaves in fronds. They have stiff stems, so they are tall growing; some are trees. They reproduce with spores. They need a moist habitat. Q: What type of habitat do ferns need to grow? A:
Answer: moist

Answer the following question given this paragraph: levels. If a solid has a filled valence band with a relatively low-lying empty band above it (a conduction band), then electrons can be excited by thermal energy from the filled band into the vacant band where they can then migrate through the crystal, resulting in electrical conductivity. Electrical insulators are poor conductors because their valence bands are full. Semiconductors have electrical conductivities intermediate between those of insulators and metals. The electrical conductivity of semiconductors increases rapidly with increasing temperature, whereas the electrical conductivity of metals decreases slowly with increasing temperature. The properties of semiconductors can be modified by doping, or introducing impurities. Adding an element with more valence electrons than the atoms of the host populates the conduction band, resulting in an n-type semiconductor with increased electrical conductivity. Adding an element with fewer valence electrons than the atoms of the host generates holes in the valence band, resulting in a p-type semiconductor that also exhibits increased electrical conductivity. Q: What happens to the electrical conductivity of metals when placed in a pot of boiling water? A:

OPTIONS:
- stays the same
- increases slowly
- increases quickly
- decreases slowly

Answer:
decreases slowly