What is produced when plastic is made out of petroleum?
Options:
- (A) dangerous
- (B) bioaerosols
- (C) emissions
- (D) hydrocarbons
- (E) pollution
- (F) heat produced
- (G) Pesticides
- (H) heat energy
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Let's think first: Plastics are made from petroleum and produce toxic waste. Pollution issues include toxic waste disposal. Plastics are made from petroleum and produce pollution.... So the answer is [(E)]


Adult urochordates are _-shaped.
Options:
- (A) Length
- (B) a prism
- (C) fossils
- (D) grow
- (E) barrel
- (F) fertile
- (G) Grow well
- (H) revolving
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Let's think first: Adult tunicates are barrel-shaped. Urochordates are commonly called tunicates. Adult urochordates are barrel-shaped.... So the answer is [(E)]


Protein is made from:
Options:
- (A) Acids
- (B) DNA code
- (C) fur and fat
- (D) insects
- (E) animals
- (F) Energy.
- (G) Energy
- (H) food
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Let's think first: Chromosomes contain genes, which code for proteins. Information on DNA is organized into genes. DNA codes for proteins.... So the answer is [(B)]


Cacti are adapted to what?
Options:
- (A) the snow
- (B) dry environments
- (C) Animal survival
- (D) survival
- (E) tropical regions
- (F) moist environments
- (G) relocation
- (H) salt and water.
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Let's think first: Plants that are adapted to very dry environments are called xerophytes. Succulents, bromeliads and cacti are xerophytes. A plant that is adapt to a very dry environment is a cacti.... So the answer is [(B)]


What is a type of the basic units of the structure and function of living things?
Options:
- (A) sensory neurons
- (B) osteogenic
- (C) animals
- (D) Chemical energy
- (E) Energy
- (F) trees
- (G) ferns
- (H) fur and fat
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Let's think first: Cells are the basic units of the structure and function of living things. Osteogenic cell types are indicated. Osteogenic is a type of the basic units of the structure and function of living things.... So the answer is [(B)]


Flowing water can slowly _ carbon in limestone.
Options:
- (A) alter
- (B) destroy
- (C) erode
- (D) allow growth
- (E) dissolve
- (F) heat
- (G) a solute
- (H) rain
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Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Let's think first: Flowing water can slowly dissolve carbon in sedimentary rock. Limestone is an organic, sedimentary rock. Flowing water can slowly dissolve carbon in limestone.... So the answer is [(E)]