Q: What is the largest artery in the body called? Choices: - ventricular - carotid - radial - aorta A:
aorta

(Question)
Q: Species of organisms that have permanently died out can also be called what? Choices: - succinct - inherited - occuring - extinct A:
(Answer)
extinct

Ques: Q: What is responsible for many properties of covalent compounds, which have relatively low boiling points, cannot conduct electricity, and may not dissolve in water? Choices: - ionic charge - accretion bonds - atomic weight - covalent bonds A:
Ans: covalent bonds

(Q).
Q: In which sphere of the atmosphere do the northern and southern lights occur? Choices: - lithosphere - stratosphere - ionosphere - thermosphere A:
(A).
thermosphere

Ques:Q: Geysers erupt because what boiling hot substance is trapped beneath their surface? Choices: - gas - lava - oil - water A:

Ans:water

Question: Q: Ciliary muscles control the shape of the lens, which bends light and focuses it on what? Choices: - the pupil - the vitreous fluid - the cornea - the retina A:
Answer:
the retina