Ques: Q: Birds and insects perform what function for flowering plants? Choices: - condensation - vegetation - irrigation - pollination A:
Ans: pollination

Ques: Q: A solute generally does what to the freezing point of a solvent? Choices: - regulates it - raises it - increases it - lowers it A:
Ans: lowers it

Ques: Q: What type of rain dissolves limestone and marble? Choices: - carbon - natural - sulfur - acid A:
Ans: acid

Ques: Q: How many amino acids are arranged like "beads on a string" to form proteins? Choices: - 15 - 35 - 25 - 20 A:
Ans:
20