Q: What is to blame for water's boiling point (100c) being higher than the boiling points of similar substances? Choices: - electrode bonds - molecular shape - helium bonds - hydrogen bonds A:
hydrogen bonds

(Question)
Q: As roots grow longer they will always do what? Choices: - change direction - get larger - get thicker - grow downward A:
(Answer)
grow downward

Ques: Q: Physical and chemical properties of geometric isomers are generally what? Choices: - round - difficult - similar - different A:
Ans: different

(Q).
Q: What is the process resulting in living things with beneficial traits producing more offspring? Choices: - fluid selection - Natural choice. - natural change - natural selection A:
(A).
natural selection

Ques:Q: Plant viruses can seriously disrupt crop growth and development, significantly affecting our what? Choices: - air supply - fuel supply - harvest supply - food supply A:

Ans:food supply

Ques: Q: Biological macromolecules are organic, which means that they must contain what? Choices: - hydrogen - aluminum - oxygen - carbon A:
Ans:
carbon