The instantaneous velocity is at a given instant in time while the average is calculated over the time interval of the entire journey. The instantaneous velocity can be determined by finding the gradient of the displacement/time graph while average velocity is given by total distance covered divided by total time taken.
B. its be no dobut about it
Acceleration
On a velocity time graph, the y-axis is velocity, and the x-axis is time. So the slope is the change in velocity for every unit of change in time.
acceleration- the rate of change of velocity per unit of time.
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A negative mutation can make asexually produced organisms susceptible to disease and can destroy large numbers of offspring. Some methods of asexual reproduction produce offspring that are close together and compete for food and space. Unfavourable conditions such as extreme temperatures can wipe out entire colonies.