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Only a small percentage of the sun's energy captured by plants is incorporated into body tissues of carnivores. What happens to the rest of this energy?

In a food chain, very little energy is passed onto the next trophic level - this is because living creatures create waste. Energy passes out of the food chain in a number of ways, including; - energy use...

Answered by Tabitha H. • Biology tutor

3819 Views

Find the value of: d/dx(x^2*sin(x))

Use the product rule:

d/dx(fg) = f'g + fg'

f = x² f' = 2x g = sin(x) g' = cos(x)

answer = 2xsin(x) + x²cos(x)

Answered by Will R. • Maths tutor

9478 Views

Explain how cache memory can improve system performance.

Cache is a small amount of memory which is part of the CPU which is physically closer to the CPU than RAM is. The more cache there is, the more data can be stored closer to the CPU. Cache memory is benefi...

Answered by Ariane H. • Computing tutor

121052 Views

Describe the methods which may be used to motivate employees.

Businesses can motivate employees either through monetary or non-monetary incentives. There are many monetary incentives, some of which are: - Overtime: Staff are paid extra for working over and above the...

Answered by Ariane H. • Business Studies tutor

4084 Views

Explain two ways in which the human body reacts to an increase in body temperature above the optimum.

Firstly sweat is released from sweat glands onto the surface of our skin. This acts to decrease body temperature by causing thermal engery to be transfered away from the skin as the sweat evaporates.

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Answered by Max S. • Biology tutor

3139 Views