Question

b) A population pyramid with a broad base and narrowing top implies () a high birth rate and a high death rate (i) a low birth rate and a low death rate. (int) a low percentage of economically active population (iv) a high percentage of males and females​

Answer 1

Answer:

The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time. ... Velocity is a physical vector quantity; both magnitude and direction are needed to define it.