Q: What astronomical phenomenon is often comprised of remnants of the earliest material that formed in the solar system? Choices: - asteroids - particles - comets - meteorites A:
meteorites

(Question)
Q: Why is uranus so faint? Choices: - polluted atmosphere - too small - too cold - far away A:
(Answer)
far away

Ques: Q: Fission is a type of radioactivity in which large nuclei spontaneously break apart into what? Choices: - faster nuclei - light nuclei - active nuclei - smaller nuclei A:
Ans: smaller nuclei

(Q).
Q: When a supercooled liquid boils, the temperature drops as the liquid is converted to what? Choices: - carbon - solid - atoms - vapor A:
(A).
vapor

Ques:Q: What is used by sensitive systems to detect even low levels of radiation? Choices: - electrons - radars - ions - crystals A:

Ans:crystals

Question: Q: What enables gamma rays to pass through hard matters like bones, teeth, and just about anything? Choices: - Weight - Being Heavier - Density - their extremely high energy A:
Answer:
their extremely high energy