Q: Science is a process of knowing about the natural universe through what two actions? Choices: - thinking and guessing - changes and experimentation - guessing and observing - observation and experimentation A:
observation and experimentation

(Question)
Q: The pain of angina means the heart muscle fibers need more what? Choices: - water - carbon - nitrogen - oxygen A:
(Answer)
oxygen

Ques: Q: What man-made structures orbit all of the inner planets as well as jupiter and saturn? Choices: - comets - space shuttles - moons - satellites A:
Ans: satellites

(Q).
Q: What large dwarf planet in our solar system was only discovered in 2005? Choices: - artemis - Cerus - zeus - eris A:
(A).
eris

Ques:Q: What is the largest part of the brain? Choices: - cerebellum - limbic system - stem - cerebrum A:

Ans:cerebrum

Q: Mendeleev organized what basic units into rows and columns? Choices: - solutions - compounds - animals - elements A:
elements