Q: What is found in abundance in the polar ice caps and under the surface of mars? Choices: - carbon - bacteria - fossils - water A:
water

(Question)
Q: What type of energy travels through space as electrical and magnetic waves? Choices: - sound energy - mechanical energy - solar energy - electromagnetic energy A:
(Answer)
electromagnetic energy

Ques: Q: Some membranes have what kind of surfaces exposed to the cytoplasm? Choices: - outer - obstructionary - bilayer - hydrophobic A:
Ans: hydrophobic

(Q).
Q: What is the name of the cloud where most long-period comets come from? Choices: - stellar cloud - bulge cloud - volt cloud - oort cloud A:
(A).
oort cloud

Ques:Q: Vertebrates have evolved more complex digestive systems, with some species having multi-chambered types of what organ? Choices: - respiratory - skin - heart - stomach A:

Ans:stomach

Ques: Q: What do electromagnetic receptors detect? Choices: - dangerous radiation - background radiation - subtle radiation - electromagnetic radiation A:
Ans:
electromagnetic radiation