Trade was a lot more difficult and complicated because every currency was worth something different.
people burning down forests and grow crops in the ashes. Cutting the hillsides into stair-step shapes in order to have flat places to plant seeds. They modify the environment so they have ways to grow food and crops. A negative impact of modification is it could cause a smog or rivers and streams.
The correct answer is C) Seafloor spreading
This new oceanic crust is gradually moved away from the ridge itself. Seafloor spreading is one of the reasons of the continental drift
Answer:
The loss of biodiversity, destruction of habitat and lack of forage due to monocultures and bee-killing pesticides are particular threats for honeybees and wild pollinators.
Explanation:
The bees are often exposed to the pesticides when chemically treated plants, such as corn, release pollen into the air. CCD has been devastating the U.S. honey bee population since at least 2006. The mysterious disorder causes honey bees to disappear from their hives, and their bodies are rarely found.
Eliminating child labor is problematic (in third world countries) because of outsourcing. We have our products made in foreign countries with no child labor laws because it's cheaper. We eliminate child labor, the price of production goes up and bushiness have to charge more to cover the costs, hiking the prices to consumers in our economy. Therefore, big companies don't really want child labor to be eliminated. A lot more could be done about it, but many people choose not to help for their own personal gain.
