Q: In police radar, a radar gun sends out short bursts of which waves? Choices: - photons - soundwaves - electrodes - microwaves A:
microwaves

(Question)
Q: Conductive losses in the middle ear can be partially overcome by sending sound vibrations to what structure through the skull, the principle behind implants for hearing loss patients? Choices: - tympanic membrane - hammer and anvil - cornea - cochlea A:
(Answer)
cochlea

Ques: Q: Most people can survive only a few days without what essential substance? Choices: - air - food - carbon - water A:
Ans: water

(Q).
Q: What properties describe the existence of matter, as opposed to chemical properties that describe how substances change into other substances? Choices: - gravitational - astronomical - biological - physical A:
(A).
physical

Ques:Q: What type of vertebrates are birds? Choices: - epidermal tetrapod - invertebrates - exothermic - endothermic tetrapod A:

Ans:endothermic tetrapod

Ques: Q: When did new plants start sprouting after the forest fire? Choices: - five months later - two weeks later - two days later - two months later A:
Ans:
two months later