The greenhouse effect is the rise in temperature that the Earth experiences because certain gases in the atmosphere (water vapor, carbon dioxide, nitrous oxide, and methane, for example) trap energy from the sun. Normal warming is mostly caused by natural gases.
Answer:
305 days
Explanation:
Lactation is ideally 305 days, but in practice it is usually more, followed by a two-month dry period prior to the next calving. A cow's milk yield is influenced by many factors, which are described in more detail in, Efficient Milking.
Answer:
Individual countries were creating an unfair trade barrier if they banned genetically modified crops.
Explanation:
I just took the 5.05 Human Impact on the Environment of Western Europe test
Answer:
Sinking land
Explanation:
Mexico City has sunk around 10 meters over the last 100 years. Structures such as buildings and churches are leaning, and the land has made an uneven descent into the earth. Mexico City sinks about three feet a year now.
compass rose, sometimes called a windrose or rose of the winds, is a figure on a compass, map, nautical chart, or monument used to display the orientation of the cardinal directions (north, east, south, and west) and their intermediate points.
