Q: What heisenberg principle imposes ultimate limits on what is knowable in science? Choices: - impossibility principle - vacuum principle - certainty principle - uncertainty principle A:
uncertainty principle

(Question)
Q: Red blood cells don't have a nucleus. this allows them to do what? Choices: - be redder - move faster - heal faster - carry more oxygen A:
(Answer)
carry more oxygen

Ques: Q: The pollen tube discharges two sperm into the female gametophyte after what occurs? Choices: - excrement - evolution - hibernation - pollination A:
Ans: pollination

(Q).
Q: The vertebrate circulatory system enables blood to deliver ________ and remove wastes throughout the body. Choices: - hydrogen and nutrients - acid and nutrients - fluid and nutrients - oxygen and nutrients A:
(A).
oxygen and nutrients

Ques:Q: The law of conservation of matter, which says that matter cannot be created or this? Choices: - abandoned - damaged - stopped - destroyed A:

Ans:destroyed

Q: What kind of charge do iconic compounds have? Choices: - net negative charge - net positive charge - white neutral charge - net neutral charge A:
net neutral charge