Problem: OPTIONS:
- china and onatrio, canada
- alberta, canada and peru
- venezuela and onatrio,canada
- venezuela and alberta, canada
Q: Q: Where are about 75% of the tar sands in the world located? A:
Answer: venezuela and alberta, canada

Problem:OPTIONS:
- nitrogen
- carbon monoxide
- oxygen
- carbon dioxide

Q: Which gas moves from the blood in the capillaries into the air? A:
****
A: carbon dioxide

Q: Plants have a touch response known as what? A:
OPTIONS:
- trichina
- pollenation
- photosynthesis
- thigmotropism
thigmotropism

Q: Having polar bonds may make a covalent compound what? A:
OPTIONS:
- ionic
- negatively charged
- neutral
- polar

Answer: polar

Question: Q: What are the two main divisions of the human nervous system? A:
OPTIONS:
- somatic and autonomic
- central and identical
- left and right
- central and peripheral
Answer: central and peripheral

input: OPTIONS:
- Sexual
- Endocrine
- Petuitary
- testosterone Now, answer this question: Q: In boys, what hormone stimulates the growth of the larynx and thickening and lengthening of the vocal folds, which causes the voice to drop in pitch during puberty? A:
A:
output:
testosterone