Answer: Deforestation and Wetland degradation
Explanation:
The two human impacts of human economic activity on the environment are as follows:
1. Deforestation: The Sub- Saharan Africa is occupied with scanty bushes and trees in the forest area. The climate is hot and dry. The removal of bushes and trees has resulted in deforestation and desertification in the region.
2. Wetland degradation: The discharge of agricultural drainage into the wetland has degraded the quality of water in the wetlands in Sub- Saharan Africa.
Crude divorce rate is the ratio of the number of divorces to the average population in a given year. Divorce-marriage ratio is the ratio of the number of divorces to the number of marriages in a given year. Refined divorce rate is the ratio of divorces to the number of married women. Divorce rate is the general term for all of these ratios.
Thus, from the description, the answer is divorce-marriage ratio.
Made a more stable government. they made laws, they let voters elect representatives to make laws, and people had political rights.<span>
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Answer:
natural selection operates primarily on characteristics that are tied to reproductive fitness.
Explanation:
Based on the information provided within the question it can be said that this is due to the fact that natural selection operates primarily on characteristics that are tied to reproductive fitness. In other words natural selection keeps those traits that allow the species to live long enough in order to reproduce but does not weed out many harmful conditions and non-adaptive characteristics if the species reaches reproductive age.
