Answer:
Biomagnification of DDT leads to an increase in its concentration at the higher trophic level and its higher concentration in birds leads to the disturbance in their calcium metabolism. ... In this way, the biomagnification of DDT leads to a decrease in the bird population.
Explanation:
Answer:
Material evidence gathered at Monte Verde has reshaped the way archaeologists think about the earliest inhabitants of the Americas. Radiocarbon dating has provided a date of 14,800 BP and possibly 33,000 BP, establishing Monte Verde as the oldest-known site of human habitation in the Americas.
Explanation:
Answer:
B
Explanation:
I don't know but i got this answer on a test and i got it right so.
Answer:
Answer: Paper bags tear easily and fall apart when wet.
Explanation:
Although paper bags are much more sustainable for the environment, they do have the cost (disadvantage) of tearing easily or falling apart when wet.
<u>Answer</u>:
Food production in Kenya has been hurt by all of the following except ethnic violence.
<u>Explanation</u>:
Ethnic violence directly attacks the lower sections of the society who are mostly farmers. If farmers are affected, then it obviously directly affects the food production as well. Mismanagement occurs at various levels in the country. There occurs mismanagement at the local, state and the national levels. The<em> </em>resources and the funds that are meant for the food production are not correctly allocated and this also affects the country's food production. Corruption at various levels also affects in a way that the money that is allocated for the food production is misused by many people who hold power.