Answer the following question given this paragraph: The atmosphere contains small amounts of carbon dioxide. Climatologists have found that humans are putting a lot of extra carbon dioxide into the atmosphere. This is mostly from burning fossil fuels. The extra carbon dioxide traps heat from the Sun. Trapped heat causes the atmosphere to heat up. We call this global warming ( Figure below ). Q: Which gas is responsible for global warming? Choices: - oxygen - hydrocarbons - ozone - carbon dioxide A:
carbon dioxide
Answer the following question given this paragraph: Figure 16.8 Pituitary Tumor The pituitary gland is located in the sella turcica of the sphenoid bone within the cranial floor, placing it immediately inferior to the optic chiasm. If the pituitary gland develops a tumor, it can press against the fibers crossing in the chiasm. Those fibers are conveying peripheral visual information to the opposite side of the brain, so the patient will experience "tunnel vision"meaning that only the central visual field will be perceived. Q: Which gland is located in the sella turcica of the sphenoid bone within the cranial floor? Choices: - mammalian gland - thyroid gland - glucose gland - pituitary gland A:
pituitary gland
Q: Answer the following question given this paragraph: The atomic number defines the identity of an element. Q: The atomic number defines the identity of what? Choices: - atomic reaction - neutralized molecule - periodic table - element A:
A: element
Question: Answer the following question given this paragraph: Transition metals include the elements that are placed below the periodic table. Those that follow lanthanum (La) are called lanthanides. They are all shiny, relatively reactive metals. Those that follow Actinium (Ac) are called actinides. They are all radioactive metals. This means they are unstable. They break down into different, more stable elements. You can read more about radioactive elements in the chapter Nuclear Chemistry . Many of the actinides do not occur in nature but are made in laboratories. Q: What do you call the metal elements listed below the periodic table? Choices: - rare metals - shift metals - process metals - transition metals A:
Answer: transition metals
*Question*
Answer the following question given this paragraph: Most minerals are a combination of metal and other elements. The rocks that are taken from a mine are full of valuable minerals plus rock that isn't valuable. This is called waste rock. The valuable minerals must be separated from the waste rock. One way to do this is with a chemical reaction. Chemicals are added to the ores at very high temperatures. Q: The rocks that are taken from a mine are full of valuable minerals plus rock that isn't valuable. what is this rock called? Choices: - garbage rock - compost rock - empty rock - waste rock A:
**Answer**
waste rock
(Q).
Answer the following question given this paragraph: Q: What is the study of the energy transformations that occur in a collection of matter? Choices: - fluctuations - geophysics - kinetics - thermodynamics A:
(A).
thermodynamics