(Question)
Q: What is the term for the force of attraction between things that have a mass? Choices: - weight - motion - magnetism - gravity A:
(Answer)
gravity

(Question)
Q: What type of bonds between the bases at the center of the dna double helix hold the helix together? Choices: - helium bonds - ionic bonds - electron bonds - hydrogen bonds A:
(Answer)
hydrogen bonds

(Question)
Q: What are objects that are launched into the air called? Choices: - booms - stones - shoots - projectiles A:
(Answer)
projectiles