Q: What is required for communication? Choices: - transmission and weight of signals - weight and reception of signals - lack and reception of signals - transmission and reception of signals A:
transmission and reception of signals

(Question)
Q: Earthquakes have both longitudinal and transverse components, and these travel at what? Choices: - identical speeds - the speed of light - the speed of sound - different speeds A:
(Answer)
different speeds

Ques: Q: What's the name for the point reached at a ph of 7? Choices: - analogous point - acidic point - constriction point - equivalence point A:
Ans: equivalence point

(Q).
Q: What is earth's geographic north pole also called? Choices: - mere north - vertical north - right north - true north A:
(A).
true north

Ques:Q: The pressurized gas of earth's atmosphere is contained by what force? Choices: - variation - light - plasma - gravity A:

Ans:gravity

Ques: Q: What is the term for a change in an object's motion, which occurs whenever an object is acted upon by an unbalanced force? Choices: - rotation - compression - inclination - acceleration A:
Ans:
acceleration