Ques: Q: What is the amount of moisture in the atmosphere? Choices: - static - mixture - heat - humidity A:
Ans: humidity

Ques: Q: Exposure to what causes skin color to darken? Choices: - hormones - heat - pressure - sunlight A:
Ans: sunlight

Ques: Q: How do leaves export sugar to roots and other nonphotosynthetic parts of the plant? Choices: - stems - chloroplasts - glands - veins A:
Ans: veins

Ques: Q: What forms when a glacier scrapes a large hole in the ground? Choices: - crater lake - underground cavern - glacial hill - glacial lake A:
Ans:
glacial lake