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Describe two advantages and two disadvantages of two energy sources

Two differing energy sources are wind energy and nuclear energy. The advantages of wind energy are that it causes minimal environmental damage and does not release any greenhouse gases. Furthermore, the wind...
AE
1407 Views

The human population is increasing at an exponential rate. Explain why this is occurring.

Better health care so people are living longerNew medicines are being developed so people don't die of previously fatal diseases Farmers are able to produce more food using new breeds and equipmentCultural e...
LR
1739 Views

State a Greenhouse Gas other than carbon dioxide and methane.

Water vapour
VC
1183 Views

What is a sequential hermaphrodite and why is it important to be aware of sequential hermaphrodites in relation to over-fishing?

A Sequential Hermaphrodite is when an organism (often fish) is born as one sex, but later in life changes sex. Eg Clownfish are born male but the largest becomes female. This is important in fish populations...
2087 Views

Explain the difficulties in calculating the carrying capacities for the human population.

In order to understand how to calculate the carrying capacity of humans, we first need to understand which factors limit growth. These include population, natural resources, agricultural production, and indu...
ZD
3042 Views