Q: Organic substances, including proteins, carbohydrates, and oils, contain what element? Choices: - oxygen - acid - iron - carbon A:
carbon

Q: In what route do water and solutes move along the continuum of cytosol? Choices: - hydrophylic - hydrophobic - nonvascular - symplastic A:
symplastic

Q: Q: Humans building communities to make survival easier is an example of humans as a species changing their what? Choices: - climate - instinctive behavior - evolution - environment A:
A: environment

Question: Q: Wind blown sand contributes to what type of erosion? Choices: - vegetation - sedimentary - filtration - abrasion A:
Answer: abrasion

*Question*
Q: The two smallest carboxylic acids are formic acid and what else? Choices: - carbonates acid - ethylene acid - ascorbic acid - acetic acid A:
**Answer**
acetic acid

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? Choices: - Sexual - Endocrine - Petuitary - testosterone A:
testosterone